The bass drum and the tuba or in the marching band, it would be a sousaphone they would call it, the bass drum and tuba.

该是低音鼓和低音号,军乐队中,该是他们所说的苏萨大号,低音鼓和低音号

耶鲁公开课 - 聆听音乐课程节选

We used to call that in--remember when--anybody in high school band here?

我们曾经称其为,有人在高中参加过乐队吗

耶鲁公开课 - 聆听音乐课程节选