The drum is a member of the percussion group of musical instruments. In the Hornbostel-Sachs classification system, it is a membranophone. Drums consist of at least one membrane, called a drumhead or drum skin, that is stretched over a shell and struck, either directly with the player's hands, or with a drum stick, to produce sound. There is usually a resonance head on the underside of the drum, typically tuned to a slightly lower pitch than the top drumhead. Other techniques have been used to cause drums to make sound, such as the thumb roll. Drums are the world's oldest and most ubiquitous musical instruments, and the basic design has remained virtually unchanged for thousands of years.

The Dodge Revolutionary Union Movement (DRUM) was an organization of African-American workers formed in May 1968 in the Chrysler Corporation's Hamtramck Assembly plant, formerly Dodge Main, Detroit, Michigan.

DRUM! is a North American educational drumming magazine. It features artist profiles, product reviews, lessons and advanced transcriptions covering rock, pop and related styles of music. The magazine was launched in 1991 with Andy Doerschuk as editor. In the 1990s it gained a reputation for its coverage of younger drummers in contemporary styles such as punk, rap-rock, and metal. It was the first magazine to feature artists such as Tré Cool (Green Day), Chad Smith (Red Hot Chili Peppers), Travis Barker (Blink-182) and others on its covers.