Edward Sharpe & The Magnetic Zeros are well known for their sunny-sounding tunes and slight preoccupation with American folk. Recently the band has added new members (they're probably well over a dozen now) and released their new album
Here. Timmy the Terror, who used to play in Ima Robot with Alex Ebert, remixed their new track "Dear Believer" almost beyond recognition. Take a listen.
This is what the original sounds like:
Also check out their Baeble session: