虽然他很喜欢弹钢琴，但实在缺乏音乐天赋，总是弹不准音。

Although he loves playing the piano, he is completely ___unmusical and always hits the wrong notes.

那个歌手的声音刺耳难听，完全没有乐感。

The singer's ___unmusical voice made the audience wince.