It really depends. How much of our love of and appreciation for music is dependent upon the way our brains are wired and process information? It could be that aliens have no appreciation whatsoever of music, including poetry. Or they could be hypoersensitive to it, and think our rhythmless prose to be hopelessly unreadable (while they write even their computer instruction manuals in beautiful meter). That’s one of the things that makes them alien – they can be unpredictably different.
My uess would be that they’re somewhat similar to us, and that potentially all Teran arts are interesting to them. Bear in mind that this means more than appreciation of Western art, or even Western Art of a particular type. They’re as likely to respond to Chinese Opera and Tuvan doubkle-voice singing, to Khoisan language clicks. to Victorian patter songs and modern rap, as to Modern abstract art, Arabic Calligraphy, and Indian sitar music.
I don’t see any reason that any visual, auditory, olfactory, tactile, or gustatory art might not be open to them. They will, of course, not respond in the same way (or maybe even at all) to thinghs particularly human – erotic art, novels rooted in human experiences, meals cooked for the human palate. But they might like any of the forms, adapted to their circumstances.