'''Percussion''' is one of the main categories of [[musical instrument]], which includes all instruments that produce a sound when struck or shaken. This encompasses a wide variety of [[drum]]s, as well as [[xylophone]]s, [[glockenspiel]]s and, technically, keyboard instruments such as the [[piano]], since the sound is produced by a [[hammer]] striking a [[string]]. | '''Percussion''' is one of the main categories of [[musical instrument]], which includes all instruments that produce a sound when struck or shaken. This encompasses a wide variety of [[drum]]s, as well as [[xylophone]]s, [[glockenspiel]]s and, technically, keyboard instruments such as the [[piano]], since the sound is produced by a [[hammer]] striking a [[string]]. |