1. A Percussion instrument with a deep, low sound but indeterminate pitch that is played with a large soft-headed mallet; the largest orchestral drum.
2. A pedal operated Percussion instrument with a deep, low sound but indeterminate pitch usually found as part of a drum kit played by a single player in a rock, jazz, or other popular style group.

SUGGESTED LISTENING EXAMPLES:

Verdi: Requiem, Dies Irae

W. W. Norton - 4-CD Musical Example Bank -- Disc 3, Track 28

Saint-Säens: Samson and Delilah, "Bacchanale" (conclusion)

W. W. Norton - 4-CD Musical Example Bank -- Disc 3, Track 11

VIDEO EXAMPLE:

Bass Drum