The Big F is a rock trio born out of the split of Berlin and featuring guitarist Mark Christian, bassist/singer John Shreve (aka John Crawford) and drummer Rob Donin (aka Rob Brill). ~ William Ruhlmann, All Music GuideThe Big F is a rock trio born out of the split of Berlin and featuring guitarist Mark Christian, bassist/singer John Shreve (aka John Crawford) and drummer Rob Donin (aka Rob Brill). ~ William Ruhlmann, All Music Guide