I couldn't possibly vote, but for anyone who's too lazy to go through the thread, here is all of the performances:
Shaun - Dream Catch Me, originally by Newton Faulkner
SumminAboutKate - Better Together, originally by Jack Johnson
Callum - Hey There Delilah, originally by the Plain White T's
Jamesh- Home, originally by Michael Bublé
Funky Sam - Dream Catch Me, originally by Newton Faulkner
Darenn - Nobody Knows, originally by P!nk
Chris - Bet On It