The drum is a member of the percussion group, technically classified as a membranophone. Drums consist of at least one membrane, called a drumhead or drum skin, that's stretched over a shell and struck, either directly with parts of a player's body, or with some sort of implement such as a drumstick, to produce sound. Drums are the world's oldest and most ubiquitous musical instruments, and the basic design has remained virtually unchanged for thousands of years. Most drums are considered "untu… (More on Drum)