リズムセクション

noun

rhythm section

Refers to the group of instruments in a band or ensemble that provide the rhythmic and harmonic foundation, typically including drums, bass, piano, and guitar.

• このバンドのリズムセクションはとてもタイトだ。

  This band's rhythm section is really tight.

• ジャズではリズムセクションが重じゅう要ような役やく割わりを果はたす。

  In jazz, the rhythm section plays an important role.