Anthony Rains "Tony" Berg (b. October 21, 1954 in Connecticut) is an American musician, record producer, and A&R man, in which role he has been described as an "industry guru".Berg's music career began in the late 1970s, when he was a session guitarist who appeared on several notable releases including Air Supply, Debby Boone, The Rocky Horror Picture Show and several Muppet Show releases. It the early 80s, Berg founded Zeitgeist Studios.