Brent Kutzle is the cellist/bassist of OneRepublic. Brent joined OneRepublic in early 2007 after the band's former bassist, Tim Myers, left to pursue a solo career. He started playing the cello when he was in fourth grade, and said thet he would not play for a band that 'would not let him play his cello.' Along with playing cello and bass for the band, he helps with songwriting and composing music, as well as backing vocals. Many of the songs from their albums were co-written and co-produced by him.