Key of Heart / Dotch

"Key of Heart" / "Dotch"
Single by BoA
from the album Made in Twenty (20)
Released	August 9, 2006 (see Release history)
Format	CD+DVD
Recorded	2006
Genre	J-pop
Label	Avex Trax
BoA singles chronology
Nanairo no Ashita: Brand New Beat / Your Color (2006) Key of Heart / Dotch (2006) Winter Love (2006)
Korean Version

"Key of Heart" is BoA's 20th Japanese single and 6th Korean single. The single was available solely in CD+DVD format in Japan with a "special summer low price" and first pressing to commemorate this for being her 20th single.

Compared to previous singles, the sales for "Key of Heart" were low, but this was due to BoA being preoccupied with other projects and the lack of promotion from Avex Trax.

Music video

BoA's Key of Heart music video features BoA singing in a suburb land while driving a jeep. Then dancing on a mountain with 4 other dancers then she meets up with the dancers in a little town, they then dance on the streets. This music video also features BoA singing next to a river.

Commercial endorsements

Key of Heart was used as the theme song for the Japanese version of the movie Over The Hedge and also served as a background song in the music.jp commercials. Dotch was used as the background song for the Kose Fasio commercials.

In the Korean version of Key Of Heart the music video, it features Donghae from Super Junior. The music videos Key Of Heart show a sad love story. BoA was in a relationship with Donghae who gives her a necklace with a heart pendant (a couple pendant). On her first performance, Donghae decides to give her flowers before she goes on stage and ends up in an accident due to which he dies. A scientist decides to make him a cyborg and succeeds in making a cyborg Donghae. Donghae notices that BoA is wearing the pendant he had given her before he died and realizes that she was the one he loved. He then appears in all of her performances/public appreances and takes photos of her. During one of these outings he sees her current boyfriend and is heartbroken but continues taking photos of her. On another occasion, he goes to take photos of her during her rehearsal and a stage light nearly falls on her. He quickly leaps in and saves her. She picks up his camera and sees her photos on it. The video ends with them crossing paths and her noticing the heart pendant attached to his camera as a charm. She sees the photos of their past and starts crying as the security guards don't let her go to Donghae.

Track listing

Japanese version

Regular edition

CD

1. Key of Heart
2. Dotch

DVD

1. Key of Heart (video clip)

First press edition

CD

1. Key of Heart
2. Dotch
3. Key of Heart (English ver.)

DVD

1. Key of Heart (video clip)
2. Key of Heart (road movie)

Korean version

Digital single

1. Key of Heart

CD+DVD

CD

1. Key of Heart
2. Dotch
3. Key of Heart (English ver.)
4. Key of Heart (Korean ver.)

DVD

1. Key of Heart (M/V)
2. Key of Heart (road movie)

TV performances

• January 26, 2007 — Music Station - Key of Heart

Release history

Region	Date
Japan	August 9, 2006
South Korea	August 21, 2006

Charts

Oricon sales chart (Japan)

Release	Chart	Peak Position	Sales Total	Chart Run
9 August 2006	Oricon daily singles chart	4
	Oricon weekly singles chart	7	40,943	6 weeks
	Oricon monthly singles chart	20
	Oricon yearly singles chart

References

http://www.avexnet.or.jp/boa/