Translation of "Cantonese" in Chinese

I cannot understand my school mate's Cantonese.

我听不懂同学说的粤语。

My Cantonese is better than my Mandarin.

我的广东话比我的普通话好。

I like Cantonese music more than Mandarin music.

比起普通话歌，我更喜欢粤语歌。