Alt J's first album An Awesome Wave is one of the best albums I have heard in years. If you like Radiohead, I think you will love this album,although their sound is very unique and differnt from RH.Here are a few songs.
Breezeblocks: http://www.youtube.com/watch?v=rVeMiVU77wo
Tessallate: http://www.youtube.com/watch?v=Qg6BwvDcANg
Fitzpleasure: http://www.youtube.com/watch?v=npvNPORFXpc
Something Good: http://www.youtube.com/watch?v=aNYjOVo5IEw
Breezeblocks: http://www.youtube.com/watch?v=rVeMiVU77wo
Tessallate: http://www.youtube.com/watch?v=Qg6BwvDcANg
Fitzpleasure: http://www.youtube.com/watch?v=npvNPORFXpc
Something Good: http://www.youtube.com/watch?v=aNYjOVo5IEw