Ken Hirai discography

Ken Hirai discography
Studio albums	8
Compilation albums	2
Video albums	13
Singles	37
Tribute albums	3
Remix album	1

The discography of Japanese R&B and pop singer Ken Hirai consists of eight studio albums, two compilation albums, one remix album, three cover albums, thirteen video albums and numerous singles and promotional singles. Hirai debuted as a musician under Sony Music Records in 1995 with the single "Precious Junk", but found success five years later with the single "Lakuen" and his third album, The Changing Same.

Hirai's success continued through the 2000s, with the single "Ōki na Furudokei" (2002), a Japanese-language version of "My Grandfather's Clock", a 1876 song by American composer Henry Clay Work, "Hitomi o Tojite" (2004), the theme song for the film Crying Out Love, In the Center of the World and "Pop Star" (2005), the theme song of the Misaki Ito-starring drama Kiken na Aneki.

In addition to his studio albums, Hirai has released a series of acoustic cover albums entitled Ken's Bar, named after a series of concept live concerts he performs.

Studio albums

All release dates pertain to their release in Japan, unless stated.

List of albums, with selected chart positions

Title	Album details	Peak positions				Sales (JPN)[1][upper-alpha 1]	Certifications
		JPN [2]	KOR Overseas [3][upper-alpha 2][upper-alpha 3]	TWN [7][upper-alpha 4]	TWN East Asian [8][upper-alpha 5][upper-alpha 6]
Un-balanced	Released: July 7, 1995 Label: Sony Music Records Formats: CD, cassette, digital download	57	—	—	—	18,000
Stare At	Released: December 1, 1996 Label: Sony Formats: CD, cassette, digital download	—	—	—	—
The Changing Same	Released: June 21, 2000 Label: Sony, DefStar Records Formats: CD, cassette, digital download	1	—	—	—	1,265,000	RIAJ: Million[9]
Gaining Through Losing	Released: July 4, 2001 Label: DefStar Formats: CD, cassette, digital download	1	—	—	—	1,081,000	RIAJ: Million[upper-alpha 7][10][11]
Life Is...	Released: January 22, 2003 Label: DefStar Formats: CD, cassette, digital download	1	—	—	—	806,000	RIAJ: Million[12]
Sentimentalovers	Released: November 24, 2004 Label: DefStar Formats: CD, cassette, digital download	1	—	—	1	1,661,000	RIAJ: Million[13]
Fakin' Pop	Released: March 12, 2008 Label: DefStar Formats: CD, digital download	2	—	6	2	332,000	RIAJ: 2× Platinum[14]
Japanese Singer	Released: June 8, 2011 Label: DefStar Formats: CD, CD/DVD, digital download	2	10	—	12	141,000	RIAJ: Gold[15]
"—" denotes items which were released before the creation of the G-Music or Gaon Charts, or items that did not chart.

Compilation albums

List of albums, with selected chart positions

Title	Album details	Peak positions				Sales (JPN)[1]	Certifications
		JPN [2]	KOR Overseas [3][upper-alpha 3]	TWN [7]	TWN East Asian [8][upper-alpha 8]
Ken Hirai 10th Anniversary Complete Single Collection '95-'05 Utabaka (歌バカ, "Love Fool")	Released: November 23, 2005 Label: DefStar Formats: 2CD, Blu-spec CD, digital download	1	—	3	1	2,107,000	RIAJ: 2× Million[16]
Ken Hirai 15th Anniversary c/w Collection '95-'10 "Ura Utabaka" (裏　歌バカ, "Reverse Love Fool")	Released: November 10, 2010 Label: DefStar Formats: 2CD, 3CD, digital download	5	51	—	15	44,000
"—" denotes items which were released before the creation of the G-Music or Gaon Charts, or items that did not chart.

Remix album

List of remix albums, with selected chart positions

Title	Album details	Peak positions	Sales (JPN)[1]	Certifications
		JPN [2]
KH Re-mixed Up 1	Released: November 28, 2001 Label: DefStar Formats: 2CD, cassette	6	186,000	RIAJ: Gold[17]

Cover albums

List of cover albums, with selected chart positions

Title	Album details	Peak positions				Sales (JPN)[1]	Certifications
		JPN [2]	KOR [18]	KOR Overseas [3][upper-alpha 3]	TWN East Asian [8][upper-alpha 9]
Ken's Bar	Released: December 10, 2003 Label: DefStar Formats: CD, Blu-spec CD, digital download	2	—	—	—	492,000	RIAJ: 2× Platinum[19]
Ken's Bar II	Released: May 27, 2009 Label: DefStar Formats: CD, CD/DVD, digital download	2	—	—	6	122,000	RIAJ: Gold[20]
Ken's Bar III	Released: May 28, 2014 Label: Ariola Japan Formats: CD, 2CD, CD/DVD, digital download	4	22	68	6	58,000
"—" denotes items which were released before the creation of the G-Music or Gaon Charts.

Singles

List of singles, with selected chart positions

Title	Year	Peak chart positions				Sales (JPN)[1]	Certifications	Album
		Oricon Singles Charts [2]	Billboard Japan Hot 100 [21][upper-alpha 10][upper-alpha 11]	TWN [7]	TWN East Asian [8][upper-alpha 12]
"Precious Junk"	1995	50	—	—	—	44,000		Un-balanced
"Katahō Zutsu no Earphone" (片方ずつのイヤフォン, "One Side of an Earphone Each")		—	—	—	—
"Yokogao" (横顔, "Face in Profile")		—	—	—	—			Stare At
"Doshaburi" (ドシャブリ, "Downpour")	1996	—	—	—	—
"Stay with Me"		—	—	—	—
"Heat Up"	1997	—	—	—	—			Non-album single
"Love Love Love"	1998	—	—	—	—			The Changing Same
"Lakuen"	2000	7	—	—	—	549,000	RIAJ (physical): Platinum[36] RIAJ (download): Gold[37]
"Why"		8	—	—	—	211,000	RIAJ (physical): Gold[36]
"Love or Lust"		6	—	—	—	264,000	RIAJ (physical): Gold[38]	Gaining Through Losing
"Even If"		3	—	—	—	333,000	RIAJ (physical): Gold[39]
"Miracles"	2001	4	—	—	—	240,000	RIAJ (physical): Gold[40]
"Kiss of Life"		2	—	—	—	555,000	RIAJ (physical): Platinum[41]
"Missin' You (It Will Break My Heart)"	2002	4	—	—	—	115,000	RIAJ (physical): Gold[42]	Life Is...
"Strawberry Sex"		13	—	—	—	49,000
"Ōki na Furudokei" (大きな古時計, "The Large Old Clock")		1	—	—	—	772,000	RIAJ (physical): 2× Platinum[43]
"Ring"		1	—	—	—	322,000	RIAJ (physical): Platinum[43]
"Life Is..."	2003	3	—	—	—	191,000	RIAJ (physical): Platinum[44]
"Style"		12	—	—	—	44,000	RIAJ (physical): Gold[44]	Sentimentalovers
"Hitomi o Tojite" (瞳をとじて, "Close Your Eyes")	2004	2	—	—	—	893,000	RIAJ (ringtone): Million[45] RIAJ (physical): 3× Platinum[46] RIAJ (cellphone): Platinum[47] RIAJ (PC): Gold[48]
"Kimi wa Tomodachi" (キミはともだち, "You're My Friend")		5	—	—	—	161,000	RIAJ (physical): Gold[49]
"Omoi ga Kasanaru Sono Mae ni..." (思いがかさなるその前に…, "Before the Thoughts Pile Up...")		1	—	—	—	272,000	RIAJ (ringtone): 2× Platinum[45] RIAJ (physical): Platinum[50] RIAJ (download): Gold[51]
"Pop Star"	2005	1	91[upper-alpha 13]	—	—	244,000	RIAJ (ringtone): Million[45] RIAJ (cellphone): Platinum[53] RIAJ (physical): Platinum[54]	Utabaka / Fakin' Pop
"Bye My Melody" (バイマイメロディー Baimaimerodī)	2006	2	—	—	—	81,000	RIAJ (physical): Gold[55]	Fakin' Pop
"Elegy" (哀歌(エレジー) Erejī)	2007	5	—	—	—	119,000	RIAJ (cellphone): Platinum[56] RIAJ (physical): Gold[57]
"Kimi no Suki na Toko" (君の好きなとこ, "Your Favorite Places")		5	—	—	—	103,000	RIAJ (cellphone): Platinum[58] RIAJ (physical): Gold[59]
"Fake Star"		6	—	—	—	32,000	RIAJ (download): Gold[51]
"Canvas" (キャンバス Kyanbasu)	2008	6	5	—	—	40,000	RIAJ (cellphone): Gold[60]
"Kimi wa Suteki" (君はス・テ・キ♥, "You're Lovely")			80
"Itsuka Hanareru Hi ga Kite mo"		19	17	—	—	19,000	RIAJ (cellphone): Gold[60]
"Candy"	2009	7	2	—	—	14,000		Japanese Singer
"Boku wa Kimi ni Koi o Suru"		3	1	—	16	70,000	RIAJ (cellphone): 2× Platinum[61]
"Sing Forever"	2010	7	5	—	—	16,000
"Aishiteru"		9	12	—	—	34,000	RIAJ (cellphone): Gold[61]
"Itoshiki Hibi yo"	2011	7	6	—	—	31,000	RIAJ (download): Platinum[51]
"Kokuhaku" (告白, "Love Confession")	2012	5	6	—	—	44,000	RIAJ (download): Gold[51]	Non-album single
"Kikyō ga Oka" (桔梗が丘, "Bellflower Hill")	2013	—	16	—	—
"Grotesque" (グロテスク Gurotesuku) (featuring Namie Amuro)	2014	4	4	17	3	51,000	RIAJ (download): Gold[62]
"Onnaji Samishisa" (おんなじさみしさ, "The Same Sadness")		13	—[upper-alpha 14]	N/A	12	13,000
"Soredemo Shitai" (ソレデモシタイ, "Still Want to")			10	N/A
"Kimi no Kodō wa Kimi ni Shika Narasenai" (君の鼓動は君にしか鳴らせない, "Your Heartbeat Can Only Beat for You")	2015	18	18	N/A	—	11,000

Promotional singles

Title	Year	Peak chart positions	Album
		Billboard Japan Hot 100 [21][upper-alpha 15]
"K.O.L."	2000	—	The Changing Same
"Gaining Through Losing"	2001	—	Gaining Through Losing
"One Love Wonderful World"		—	KH Re-mixed Up 1
"Come Back"	2003	—	Life Is...
"Sekai de Ichiban Kimi ga Suki?" (世界で一番君が好き？, "Do I Like You Most in the World?")		—
"The Rose"		—	Ken's Bar
"Lovin' You"		—
"Miagete Goran Yoru no Hoshi o"		—
"You've Got a Friend"		—
"Faith"		—
"When You Wish upon a Star"		—
"ABC"		—
"Sentimental" (センチメンタル Senchimentaru)	2004	—	Sentimentalovers
"Utsukushii Hito" (美しい人, "Beautiful Person")	2007	—	Fakin' Pop
"Shashin" (写真, "Photograph")	2008	49
"Stardust" (with Hibari Misora)	2009	54	Ken's Bar II
"Because of You"		69
"Love (Destiny)"		77
"Heart of Mine"		68
"Wakareuta" (with Masamune Kusano)		91
"Yume no Mukō de" (夢のむこうで, "On the Other Side of a Dream")	2011	—	Japanese Singer
"Girls 3x"		—
"Virtual Insanity"	2014	—[upper-alpha 16]	Ken's Bar III

Video albums

Music video collections

List of media, with selected chart positions

Title	Album details	Peak positions
		JPN [2]
Ken Hirai Films Vol. 1	Released: December 1, 1996 Label: Sony Formats: VHS, DVD	—
Ken Hirai Films Vol. 2	Released: June 21, 2000 Label: Sony Formats: DVD, VHS	—
Ken Hirai Films Vol. 3	Released: July 4, 2001 Label: DefStar Formats: DVD	17
Ken Hirai Films Vol. 5	Released: January 22, 2003 Label: DefStar Formats: DVD	14
Ken Hirai Films Vol. 7	Released: November 24, 2004 Label: DefStar Records Formats: DVD	5
Ken Hirai Films Vol. 9	Released: April 23, 2008 Label: DefStar Records Formats: DVD	49
Ken Hirai Films Vol. 12	Released: May 30, 2012 Label: DefStar Formats: DVD	4

Live concerts

List of media, with selected chart positions

Title	Album details	Peak positions
		JPN [2]
Ken Hirai Films Vol. 4: Live Tour 2001 Gaining Through Losing at the Budokan	Released: January 30, 2002 Label: DefStar Formats: DVD	3
Ken Hirai Films Vol. 6: MTV Unplugged Ken Hirai	Released: December 20, 2003 Label: DefStar Formats: DVD	8
Ken Hirai Films Vol. 8: Ken Hirai 10th Anniversary Tour Final at Saitama Super Arena	Released: December 7, 2005 Label: DefStar Formats: Blu-ray, DVD	9
Ken Hirai Films Vol. 10: Ken Hirai Live Tour 2008 Fakin' Pop	Released: December 17, 2008 Label: DefStar Formats: Blu-ray, DVD	18
Ken Hirai Films Vol. 11: Ken's Bar 10th Anniversary	Released: June 10, 2009 Label: DefStar Formats: DVD	6
Ken's Bar 10th Anniversary Christmas Eve Special!	Released: June 10, 2009 Label: DefStar Formats: Blu-ray	—

Other appearances

List of non-studio album or guest appearances that feature Ken Hirai

Title	Year	Album
"Moonstruck" (Chaka with Ken Hirai)	1996	With Friends
"Holding On to Promises" (Gerry DeVeaux featuring Ken Hirai)		Back to You
"Kimi ga Warattara" (君が笑ったら, "If You Laugh")	1998	Setsunai: Tokyo Heart Break Original Soundtrack
"Scent of Woman (Yume no Kaori)" (夢の香り, "Scent of Dreams") (K Dub Shine featuring Ken Hirai)	2000	Ikiru
"Eyes on You" (Akina Nakamori)	2002	Resonancia
"You Are the Sunshine of My Life"	2003	Conception: Stevie Wonder Tribute
"Got Me a Feeling" (Bonnie Pink featuring Ken Hirai)	2005	Reminiscence
"Tokyo Pierrot" (東京ピエロ, "Tokyo Clown") (Ohashi Trio featuring Ken Hirai)	2012	White
"Sayonara Restaurant" (さよならレストラン, "Goodbye Restaurant") (Toko Furuuchi featuring Ken Hirai)	2013	And Then...: 20th Anniversary Best

Notes

1. Sales provided by Oricon database and are rounded to the nearest thousand copies.
2. The Gaon Albums Chart chart was established in 2010.
3. Week references for Gaon: Japanese Singer,^[4] Ura Utabaka,^[5] Ken's Bar III.^[6]
4. The G-Music chart was established in July 2005 and only archives the top 20 releases.
5. The G-Music East Asian chart is a sub-chart, so releases listed may not have charted on the main top 20.
6. Position was taken from 2005 week 30 for Sentimentalovers, 2008 week 11 for Fakin' Pop, 2011 week 24 for Japanese Singer.
7. Gaining Through Losing received a 3× Platinum certification for 1,200,000 copies, however the 3× Platinum threshold was redefined as 750,000 copies in 2003.
8. Position was taken from 2005 week 46 for Utabaka, 2010 week 46 for Ura Utabaka.
9. Position was taken from 2009 week 25 for Ken's Bar II, 2014 week 45 for Ken's Bar III.
10. The Japan Hot 100 was established in February 2008.
11. Sources for chart positions are as follows: "Canvas",^[22] "Kimi wa Suteki",^[23] "Itsuka Hanareru Hi ga Kite mo",^[24] "Candy",^[25] "Boku wa Kimi ni Koi o Suru",^[26] "Sing Forever",^[27] "Aishiteiru",^[28] "Itoshiki Hibi yo",^[29] "Kokuhaku",^[30] "Kikyō ga Oka",^[31] "Grotesque",^[32] "Soredemo Shitai",^[33] "Kimi no Kodō wa Kimi ni Shika Narasenai".^[34]
12. Position was taken from 2009 week 43 for "Boku wa Kimi ni Koi o Suru", 2014 week 15 for "Grotesque", "Soredemo Shitai/Onnaji Samishisa".^[35]
13. Charted in 2008.^[52]
14. Charted at number 65 on the Adult Alternative Airplay chart.^[63]
15. Sources for chart positions are as follows: "Shashin",^[64] "Stardust",^[65] "Because of You",^[65] "Love (Destiny)",^[65] "Heart of Mine",^[66] "Wakareuta".^[65]
16. Charted at number 17 on the Adult Alternative Airplay subchart, and at number 51 on the Hot Top Airplay chart.^[67][68]

References

1. "オリコンランキング情報サービス「you大樹」" [Oricon Ranking Information Service 'You Big Tree']. Oricon. Retrieved August 14, 2014. (subscription required (help)).
2. "平井堅のリリース一覧" [List of Ken Hirai's releases]. Oricon. Retrieved August 14, 2014.
3. "Gaon Album Chart 국외". Gaon Music Chart (in Korean). Korea Music Content Industry Association. Retrieved July 18, 2014.
4. "2011년 25주차 Album Chart 국외". Gaon Music Chart (in Korean). Korea Music Content Industry Association. Retrieved August 14, 2014.
5. "2010년 48주차 Album Chart 국외". Gaon Music Chart (in Korean). Korea Music Content Industry Association. Retrieved August 14, 2014.
6. "2014년 24주차 Album Chart 국외". Gaon Music Chart (in Korean). Korea Music Content Industry Association. Retrieved August 14, 2014.
7. "G-Music Combo Chart" (in Chinese). G-Music. Retrieved December 23, 2013.
8. "G-Music J-Pop Chart" (in Chinese). G-Music. Retrieved June 4, 2014.
9. "GOLD ALBUM 他認定作品 2000年8月度" [Gold Albums, and other certified works. September 2000 Edition] (PDF). The Record (Bulletin) (in Japanese) (Chūō, Tokyo: Recording Industry Association of Japan) 491: 8. October 10, 2000. Archived from the original (PDF) on January 22, 2014. Retrieved January 22, 2014.
10. "GOLD ALBUM 他認定作品 2001年8月度" [Gold Albums, and other certified works. August 2001 Edition] (PDF). The Record (Bulletin) (in Japanese) (Chūō, Tokyo: Recording Industry Association of Japan) 503: 12. October 10, 2001. Archived from the original (PDF) on June 23, 2011. Retrieved January 22, 2014.
11. "GOLD ALBUM 他認定作品 2001年7月度" [Gold Albums, and other certified works. July 2001 Edition] (PDF). The Record (Bulletin) (in Japanese) (Chūō, Tokyo: Recording Industry Association of Japan) 502: 8. September 10, 2001. Archived from the original (PDF) on March 8, 2012. Retrieved January 22, 2014.
12. ゴールド等認定作品一覧　2004年12月 [Works Receiving Certifications List (Gold, etc) (December 2004)] (in Japanese). Recording Industry Association of Japan. January 10, 2005. Retrieved February 15, 2014.
13. ゴールド等認定作品一覧　2004年11月 [Works Receiving Certifications List (Gold, etc) (November 2004)] (in Japanese). Recording Industry Association of Japan. December 10, 2004. Retrieved December 23, 2013.
14. ゴールド等認定作品一覧　2008年3月 [Works Receiving Certifications List (Gold, etc) (March 2008)] (in Japanese). Recording Industry Association of Japan. April 10, 2008. Retrieved December 31, 2013.
15. ゴールド等認定作品一覧　2011年6月 [Works Receiving Certifications List (Gold, etc) (June 2011)] (in Japanese). Recording Industry Association of Japan. July 10, 2011. Retrieved December 23, 2013.
16. ゴールド等認定作品一覧　2005年12月 [Works Receiving Certifications List (Gold, etc) (December 2005)] (in Japanese). Recording Industry Association of Japan. January 10, 2006. Retrieved January 23, 2014.
17. "GOLD ALBUM 他認定作品 2001年11月度" [Gold Albums, and other certified works. November 2001 Edition] (PDF). The Record (Bulletin) (in Japanese) (Chūō, Tokyo: Recording Industry Association of Japan) 506: 11. February 10, 2002. Archived from the original (PDF) on January 22, 2014. Retrieved January 22, 2014.
18. "Gaon Album Chart 종합". Gaon Music Chart (in Korean). Korea Music Content Industry Association. Retrieved July 18, 2014.
19. ゴールド等認定作品一覧　2003年12月 [Works Receiving Certifications List (Gold, etc) (December 2003)] (in Japanese). Recording Industry Association of Japan. January 10, 2004. Retrieved February 15, 2014.
20. ゴールド等認定作品一覧　2009年5月 [Works Receiving Certifications List (Gold, etc) (May 2009)] (in Japanese). Recording Industry Association of Japan. June 10, 2009. Retrieved March 5, 2014.
21. "Hot 100｜JAPAN Charts｜Billboard JAPAN" (in Japanese). Billboard.
22. "Japan Billboard Hot 100". Billboard (in Japanese). February 27, 2008. Retrieved August 14, 2014.
23. "Japan Billboard Hot 100". Billboard (in Japanese). March 5, 2008. Retrieved August 14, 2014.
24. "Japan Billboard Hot 100". Billboard (in Japanese). May 5, 2008. Retrieved August 14, 2014.
25. "Japan Billboard Hot 100". Billboard (in Japanese). September 30, 2009. Retrieved August 14, 2014.
26. "Japan Billboard Hot 100". Billboard (in Japanese). October 29, 2009. Retrieved August 14, 2014.
27. "Japan Billboard Hot 100". Billboard (in Japanese). October 20, 2010. Retrieved August 14, 2014.
28. "Japan Billboard Hot 100". Billboard (in Japanese). November 17, 2010. Retrieved August 14, 2014.
29. "Japan Billboard Hot 100". Billboard (in Japanese). May 11, 2011. Retrieved August 14, 2014.
30. "Japan Billboard Hot 100". Billboard (in Japanese). June 6, 2012. Retrieved August 14, 2014.
31. "Japan Billboard Hot 100". Billboard (in Japanese). October 31, 2013. Retrieved August 14, 2014.
32. "Japan Billboard Hot 100". Billboard (in Japanese). April 9, 2014. Retrieved August 14, 2014.
33. "Japan Billboard Hot 100". Billboard (in Japanese). December 17, 2014. Retrieved December 17, 2014.
34. "Japan Billboard Hot 100". Billboard (in Japanese). August 12, 2015. Retrieved August 12, 2015.
35. g-music 風雲榜. G-Music. May 15, 2015. Archived from the original on May 18, 2015. Retrieved October 17, 2015.
36. "GOLD ALBUM 他認定作品 2000年5月度" [Gold Albums, and other certified works. May 2000 Edition] (PDF). The Record (Bulletin) (in Japanese) (Chūō, Tokyo: Recording Industry Association of Japan) 488: 8. July 10, 2000. Archived from the original (PDF) on December 29, 2013. Retrieved January 17, 2014.
37. "有料音楽配信認定" (in Japanese). Recording Industry Association of Japan. December 18, 2015. Retrieved December 18, 2015.
38. "GOLD ALBUM 他認定作品 2000年10月度" [Gold Albums, and other certified works. October 2000 Edition] (PDF). The Record (Bulletin) (in Japanese) (Chūō, Tokyo: Recording Industry Association of Japan) 493: 8. December 10, 2000. Archived from the original (PDF) on January 22, 2014. Retrieved January 22, 2014.
39. "GOLD ALBUM 他認定作品 2000年12月度" [Gold Albums, and other certified works. December 2000 Edition] (PDF). The Record (Bulletin) (in Japanese) (Chūō, Tokyo: Recording Industry Association of Japan) 495: 8. February 10, 2001. Archived from the original (PDF) on January 17, 2014. Retrieved January 17, 2014.
40. "GOLD ALBUM 他認定作品 2001年2月度" [Gold Albums, and other certified works. February 2001 Edition] (PDF). The Record (Bulletin) (in Japanese) (Chūō, Tokyo: Recording Industry Association of Japan) 497: 8. April 10, 2001. Archived from the original (PDF) on January 17, 2014. Retrieved January 17, 2014.
41. "GOLD ALBUM 他認定作品 2001年5月度" [Gold Albums, and other certified works. June 2001 Edition] (PDF). The Record (Bulletin) (in Japanese) (Chūō, Tokyo: Recording Industry Association of Japan) 500: 8. August 10, 2001. Archived from the original (PDF) on November 3, 2013. Retrieved January 22, 2014.
42. "GOLD ALBUM 他認定作品 2002年1月度" [Gold Albums, and other certified works. January 2002 Edition] (PDF). The Record (Bulletin) (in Japanese) (Chūō, Tokyo: Recording Industry Association of Japan) 508: 12. March 10, 2002. Archived from the original (PDF) on January 16, 2014. Retrieved January 22, 2014.
43. "GOLD ALBUM 他認定作品 2002年12月度" [Gold Albums, and other certified works. December 2002 Edition] (PDF). The Record (Bulletin) (in Japanese) (Chūō, Tokyo: Recording Industry Association of Japan) 519: 13. February 10, 2003. Archived from the original (PDF) on January 16, 2014. Retrieved January 17, 2014.
44. ゴールドディスク認定作品一覧　2003年1月～7月 [Works Receiving Gold Disc Certifications List (January to July 2003)] (in Japanese). Recording Industry Association of Japan. August 10, 2003. Retrieved January 22, 2014.
45. レコード協会調べ　8月度有料音楽配信認定 [Record Association Investigation: August Digital Music Download Certifications] (in Japanese). Recording Industry Association of Japan. September 20, 2006. Retrieved January 23, 2014.
46. ゴールド等認定作品一覧　2004年7月 [Works Receiving Certifications List (Gold, etc) (July 2004)] (in Japanese). Recording Industry Association of Japan. August 10, 2004. Retrieved February 15, 2014.
47. レコード協会調べ　7月度有料音楽配信認定 [Record Association Investigation: July Digital Music Download Certifications] (in Japanese). Recording Industry Association of Japan. August 20, 2012. Retrieved January 23, 2014.
48. レコード協会調べ　11月度有料音楽配信認定 [Record Association Investigation: November Digital Music Download Certifications] (in Japanese). Recording Industry Association of Japan. December 20, 2007. Retrieved December 13, 2013.
49. ゴールド等認定作品一覧　2004年5月 [Works Receiving Certifications List (Gold, etc) (May 2004)] (in Japanese). Recording Industry Association of Japan. June 10, 2004. Retrieved January 22, 2014.
50. ゴールド等認定作品一覧　2004年10月 [Works Receiving Certifications List (Gold, etc) (October 2004)] (in Japanese). Recording Industry Association of Japan. November 10, 2004. Retrieved January 23, 2014.
51. レコード協会調べ　1月度有料音楽配信認定 [Record Association Investigation: January Digital Music Download Certifications] (in Japanese). Recording Industry Association of Japan. February 28, 2014. Retrieved March 4, 2014.
52. "Japan Billboard Hot 100". Billboard (in Japanese). March 26, 2008. Retrieved August 14, 2014.
53. レコード協会調べ　10月度有料音楽配信認定 [Record Association Investigation: October Digital Music Download Certifications] (in Japanese). Recording Industry Association of Japan. November 20, 2009. Retrieved June 10, 2014.
54. ゴールド等認定作品一覧　2005年11月 [Works Receiving Certifications List (Gold, etc) (November 2005)] (in Japanese). Recording Industry Association of Japan. December 10, 2005. Retrieved December 23, 2013.
55. ゴールド等認定作品一覧　2006年6月 [Works Receiving Certifications List (Gold, etc) (June 2006)] (in Japanese). Recording Industry Association of Japan. July 10, 2006. Retrieved March 18, 2014.
56. レコード協会調べ　7月度有料音楽配信認定 [Record Association Investigation: July Digital Music Download Certifications] (in Japanese). Recording Industry Association of Japan. August 20, 2009. Retrieved January 26, 2014.
57. ゴールド等認定作品一覧　2007年1月 [Works Receiving Certifications List (Gold, etc) (January 2007)] (in Japanese). Recording Industry Association of Japan. February 10, 2007. Retrieved January 26, 2014.
58. レコード協会調べ　4月度有料音楽配信認定 [Record Association Investigation: April Digital Music Download Certifications] (in Japanese). Recording Industry Association of Japan. May 20, 2011. Retrieved June 10, 2014.
59. ゴールド等認定作品一覧　2007年2月 [Works Receiving Certifications List (Gold, etc) (February 2007)] (in Japanese). Recording Industry Association of Japan. March 10, 2007. Retrieved January 23, 2014.
60. レコード協会調べ　5月度有料音楽配信認定 [Record Association Investigation: May Digital Music Download Certifications] (in Japanese). Recording Industry Association of Japan. June 20, 2008. Retrieved January 24, 2014.
61. レコード協会調べ　1月度有料音楽配信認定 [Record Association Investigation: January Digital Music Download Certifications] (in Japanese). Recording Industry Association of Japan. February 20, 2011. Retrieved February 8, 2014.
62. レコード協会調べ　5月度有料音楽配信認定 [Record Association Investigation: May Digital Music Download Certifications] (in Japanese). Recording Industry Association of Japan. June 20, 2014. Retrieved June 20, 2014.
63. "Japan Billboard Hot 100". Billboard (in Japanese). December 10, 2014. Retrieved December 10, 2014.
64. "Japan Billboard Hot 100". Billboard (in Japanese). March 19, 2008. Retrieved August 14, 2014.
65. "Japan Billboard Hot 100". Billboard (in Japanese). June 3, 2009. Retrieved August 14, 2014.
66. "Japan Billboard Hot 100". Billboard (in Japanese). June 24, 2009. Retrieved August 14, 2014.
67. "Adult Contemporary Airplay". Billboard (in Japanese). May 21, 2014. Retrieved August 14, 2014.
68. "Hot Top Airplay". Billboard (in Japanese). May 21, 2014. Retrieved August 14, 2014.