Percussion (disambiguation)

Percussion may refer to:

• Percussion instrument, a large group of musical instruments
  • Percussion idiophone, a percussion instrument which is beaten with a hand or with a dissimilar, non-sounding beater, as opposed to a concussion idiophone which is beaten against a second similar instrument
  • In the Hornbostel–Sachs classification system, percussion refers generally to any object that beats against a dissimilar, non-sounding object, so a clarinet reed is described as percussion while an oboe reed is concussion
• Percussion (medicine), a method of clinical examination
• Percussion cap, an ignition system in firearms