A drummer is a musician who is capable of playing drums, which includes but is not limited to a drum kit ("drum set" or "trap set", including but not limited to cymbals) and accessory based hardware which includes an assortment of pedals and standing support mechanisms, marching percussion and/or any musical instrument that is struck within the context of a wide assortment of musical genres. The term percussionist applies to a musician who performs struck musical instruments of numerous diverse shapes, sizes and applications. Most contemporary western ensembles bands for Rock, Pop, Jazz, R&B etc. includes a drummer within the context of its music based ensemble for purposes including but not limited to timekeeping, and artist based applications deemed appropriate towards the elevation of a prescribed music based aesthetic. Most drummers of this particular designation work within the context of a larger contingent (aka rhythm section) that may also include, keyboard (a percussion instrument) and/or guitar, auxiliary percussion (often of non western origin) and bass (bass viol or electric). Said ensembles may also include melodic based mallet percussion including but not limited to: vibraphone, marimba and/or xylophone. The rhythm section, being the core metronomic foundation with which other melodic instruments, including voices, may present the harmonic/melodic portion of the material.

Drummer ist:

• die englische Bezeichnung für einen Schlagzeuger
• der Name des DDR-Fernsehkochs Kurt Drummer

En musique, un batteur est un musicien instrumentiste jouant de la batterie. Cet instrument requiert des notions de rythme importantes car en groupe la musique est en partie basée sur le jeu du batteur. La qualité principale d'un batteur est non pas sa technique ni sa vitesse, mais sa régularité rythmique. Il n'est néanmoins pas négligeable qu'il soit accompagné d'autres instruments apportant de la mélodie à proprement parlé.

En trumslagare, trummis eller batterist, är en musiker som spelar trummor. Oftast avser ordet en person som spelar trumset, till exempel i ett rockband, där han brukar kallas trummis. Även personer som spelar andra typer av trummor är dock trumslagare, exempelvis den som spelar virveltrumma i en parad.

Un batterista è un musicista che suona la batteria.