As you might have guessed from his name, Harpo Marx was famous for playing the musical instrument called the harp.

VOA: special.2009.07.19

Then a brass instrument enters and what is the name of this brass instrument?

然后一个铜管乐器出现了,那么这个铜管乐器是什么

耶鲁公开课 - 聆听音乐课程节选