a musical instrument with a keyboard that makes sounds when metal reeds (= thin pieces) are made to vibrate by air that is forced past them by pressure

The music is being played on a harmonium instead of a piano. 这段乐曲是用簧风琴演奏的，而不是钢琴。

A trio of musicians tap out rhythms on tabla drums and a harmonium. 三位乐手用塔布拉鼓和簧风琴敲出了节奏。