鼓 drum

I play drums on the KODOMO'S (子供)head

The samurai played drums on a big bean, to support his band.

Japanese drums ★☆☆☆☆
太 (fat) + 鼓 (drum) = 太鼓 (Japanese drums)

traditional Japanese drums - the kind that can be up to 15 feet wide. (BOOBOO: Rock and roll drums are just called ドラム.)

heartbeat ☆☆☆☆☆
鼓 (drum) + 動 (movement) = 鼓動 (heartbeat )

heartbeat (although most people just say ドキドキ, the sound of a beating heart)