For example, a bassist who stands upstage left and sings as well.

举例来说，一个站在舞台后部的左边，而且也唱的低音乐器演奏者。

The bassist from the heavy metal band Metallica quit after 14 years, citing irreparable neck damage from head-banging.

由于头部受到撞击造成颈部不可挽回的损伤，重金属乐队Metallica的低音歌手经历14年的生涯终于退出乐坛。