Formed in 2017, Sons of Apollo is progressive metal supergroup featuring drummer Mike Portnoy and keyboardist Derek Sherinian (Dream Theater), bassist Billy Sheehan (The Winery Dogs, Mr. Big, David Lee Roth), vocalist Jeff Scott Soto (Journey and Yngwie Malmsteen's Rising Force) and guitarist Ron “Bumblefoot” Thal (Guns N’ Roses). Their first album was Psychotic Symphony.