Round 1: Match 21
a really good cover of a good song:

I like covers. Covers that are just like the original, covers that go somewhere new from the original, an acoustic cover of a non-acoustic song, if it's a cover, and it's good, I like it.
VS
good experimental art:

I think any medium is open for experimentation, but just because something is experimental doesn't make it good. When I come across some good experimental art, I really take to it