[1][3] He helped to set up Sigma Sound Studios, owned by Joe Tarsia in Philadelphia in 1967 and began working there with record producers Kenny Gamble, Leon Huff and Thom Bell.
He was a founding member of MFSB and recorded several albums with the orchestra, including the international hit track, "TSOP (The Sound of Philadelphia)", a Grammy Award winner released in 1973.
He played on and arranged many tracks by The Intruders, The Delfonics, The Spinners, Harold Melvin and the Blue Notes, The O'Jays, The Trammps, Eddie Kendricks, William DeVaughn, Billy Paul, Lou Rawls, The Stylistics, Teddy Pendergrass, and many others.
[1][2][3] However, he fell out with Gamble and Huff over financial issues and in 1974, after being introduced by Joe Bataan, joined with the Cayre brothers, Kenneth, Stanley, and Joseph - owners of Caytronics, a New York-based distributor of Latin music - to set up the Salsoul label.
[1] His recording of "Heavy Vibes", a reworking of part of MFSB's "Love Is the Message" credited to the Montana Sextet, reached #59 on the UK singles chart in 1983.