Already an established session drummer when he joined The Turtles, Barbata was one of the pioneering drummers who converted pop music rhythms from the down-beat rhythms of the 1950s to the off-beat rhythms that have dominated ever since.
His most famous band memberships have been:
Crosby, Stills, Nash & Young
Other notable collaborations include:
With The Strangers guitarist Joel Scott Hill and bassist Bob Mosley
With other Jefferson Airplane members as session musicians on ex-member Grace Slick's album Manhole.
Session musician for
...and others, with over 60 albums to his "uncredited" credit.