Drumbeat (noun)

1. A series of beats or rhythm produced by a drum.
2. A steady and persistent sound or rhythm, especially one that serves as a background or accompaniment to other sounds or actions.

Origin:

Early 19th century: from drum + beat.

Examples:

1. The drumbeat set the tempo for the dancers.
2. The drumbeat was the heartbeat of the jungle.
3. The drummer kept a steady drumbeat throughout the performance.
4. The soldiers marched to the drumbeat, their footsteps in perfect unison.
5. The loud drumbeat filled the room, making it impossible to hear anything else.