pete seeger emerson lake and palmer jimmy buffett melanie deep purple styx rory gallagher dave mason nektar doobie brothers jethro tull yes (three times) peter gabriel (5 times) blind boys of alabama flock of seagulls blondie genesis (post gabriel) king crimson millions of dead cops tony levin michael franti bruce cockburn spearhead david bowie type o negative robyn hitchcock jonathan richman and the modern lovers sting santana jefferson starship greg kinh pink floyd (post waters) roger waters john prine ani difranco 10000 maniacs the call guadalcanal diary rem calexico war jackson browne tracy chapman bruce springsteen youssou n'dour squeeze hot tuna david crosby the roches steve hackett yanni also... boomtown rats little steven and the disciples of soul ziggy marley neko case grateful dead and... a foot in cold water joe satriani al dimeola john mclaughlin todd rundgren