低音部

例句：

1. 1. The orchestra played a beautiful piece for the audience.
   乐队为观众演奏了一首优美的曲目。
2. 2. Bass players are responsible for playing the low notes in the music.
   低音演奏者负责演奏音乐中的低音部分。
3. 3. The bass player is the foundation of the band's sound.
   低音演奏者是乐队声音的基础。