Sons Of Apollo – former Dream Theater members Mike Portnoy and Derek Sherinian, Ron “Bumblefoot” Thal (ex-Guns N’ Roses), Billy Sheehan (The Winery Dogs, Mr. Big, David Lee Roth) and Jeff Scott Soto (ex-Journey, ex-Yngwie Malmsteen’s Rising Force) – have posted an unreleased outtake (courtesy of Portnoy) from their recently released Live With The Plovdiv Psychotic Symphony. Order the title here, and watch the band cover Pink Floyd’s “Comfortably Numb” featuring Portnoy on lead vocals below…