A bass drum is a large percussion instrument that produces a deep, resonant sound. It is typically played with a mallet or beater and is a key component of many musical ensembles, including orchestras and marching bands. The bass drum is often used to provide the foundational rhythm in various music genres, such as rock, jazz, and classical. In a drum kit, the bass drum is positioned at the center and is played with a foot pedal. This allows drummers to maintain a steady beat while using their hands for other drums and cymbals. The size of a bass drum can vary, but it usually ranges from 18 to 26 inches in diameter, affecting its sound and volume.