[译] 我希望你把这些诗歌配上乐曲。
[误] I hope you will set these poems to musics.

[正] I hope you will set these poems to music.
[注] 名词 music 作“音乐”、“乐曲”解时，只用单数形式。如：She majored in music. 她专攻音乐。/She is a lover of music. 她爱好音乐。