Brian Andrew Rosenworcel (born July 23, 1973) is the drummer for the band Guster. For many years, Rosenworcel, the youngest member of the band, played a combination of bongos, congas, djembe, hand snares and cymbals instead of using a traditional drumset. He now alternates between hand percussion and drum set, and he has the nickname "Thundergod" because of his drumming. He has, on at least...