It's impossible to explain, just like it's impossible to explain why we like music. Also whatever I like about them, it's probably a lot of different things depending on the song, because my list of favorite songs is very eclectic.

not sure
if it's catchy, sounds good, ..

If it gives me goose bumps. Then I like it.

it sounds good.
yeah I don't know shit about music

Can't really answer this

I like songs that I didn't think I woud like