I'm obsessed with this video at the moment (definitely worth watching/listening to all the way through)

http://www.youtube.com/watch?v=FRSOWfA7ZeE

Can you please recommend me things I can listen to which are like this please? You know like stuff like the Boxettes. I have listened to lots of beatboxing type stuff recently but can't sniff out many things which have the nice singing too. If you can help me I will be very happy. THANKS!