Kirk Degiorgio is once again back on his Philly tip. For this episode of Sound Obsession, Kirk revisits the rich discography of production duo Todd & Martinelli. The '80s disco and proto-house tag team have had their names on classic platters by Evelyne Champagne King, Labelle and Prince-collaborator Nona Hendryx, Loose Ends and many more. Born and raised in Pennsylvania, David Todd has tackled the music business from all sides, first behind the counter of a New York record store in 1970, then behind the decks at many famed '70s and '80s venues, and eventually as the first working DJ with an A&R post at RCA. Relocating back to Philly in the early '80s, Todd took a job at local club The Catacombs, where he partnered up with another DJ-turned-A&R: Nick Martinelli. Martinelli had already cut his teeth as a diligent DJ and promoter for Motown Records, when the WMOT label signed him as A&R in 1978.