If there were a galactic version of a Battle of the Bands, what musical talent would you want to represent Earth in the competition and why?

Geek Question of the Day: Tonight we're getting a bit musical as I ask you; If there were a galactic version of a Battle of the Bands, what musical talent would you want to represent Earth in the competition and why? Any artist or band qualifies. Oh and this one comes to us courtesy of Julia Piatt! =)

Image source: https://twitter.com/shuggymf