In piano music the upper staff usually has a treble clef and the lower a bass clef, the former usually for the right hand and the latter for the left in music for the piano, or for similar instruments.

• 在钢琴作品中，上面的五线谱通常标有高音谱号，下面的五线谱标有低音谱号，在钢琴作品或类似乐器作品中，前者通常为右手弹奏，后者为左手弹奏。