二に部ぶ合がっ奏そう

noun

instrumental duet; two-part ensemble

Refers to a musical performance or piece for two instrumental parts, often in a classical or ensemble context.

• 次つぎの演えん奏そう会かいでは、バイオリンとチェロの二に部ぶ合がっ奏そうを披ひ露ろうします。

  At the next concert, we will perform a duet for violin and cello.