“降半音”造句

这首曲子我弹不来 -- 降半音音符太多了.
I can't play this - there are too many flats.

我误读了乐谱上的b降半音音符.
I misread the b flat note on the sheet.

有很多升半音、降半音难度很大的钢琴曲.
A difficult piano piece full of sharps and flats.