Flea plays the melodica .
The group consists of the lead singer of Radiohead , Thom Yorke ( vocals , guitar and piano ) , Flea ( bass , melodica ) of Red Hot Chili Peppers , longtime Radiohead producer Nigel Godrich ( guitar , keyboards , synths ) , Joey Waronker ( percussion ) , and Mauro Refosco ( multi-instrumentalist ) .
Atoms for Peace -LRB-band-RRB-