Joe Tarsia, founder of Sigma Sound Studios

Send us a textSigma Sound Studios in Philadelphia was responsible for a huge number of hit records, starting in the 1960s and continuing into the 21st century. Eventually Sigma had two studios in Philadelphia and three in New York.Joe Tarsia founded Sigma in 1968 but his career as an engineer goes back to the 1950s at Cameo Parkway Records. He started in a mono studio, using very few microphones, hardly any outboard gear, and recording to tape. He has lived through the evolution to stereo and...