After graduating, he moved to New York City in 1958, and joined the A&R staff at Bobby Robinson's Fury and Fire record labels as their Southern promotions executive.
He also discovered Lee Dorsey, pairing him with young songwriter and pianist Allen Toussaint, and helped secure hits for Gladys Knight & the Pips and Buster Brown.
He persuaded Toussaint to write new material for Lee Dorsey, which included "Ride Your Pony" and "Working in the Coal Mine", both of which became international hits.
[3] "In an action brought by MCA, the Los Angeles Superior Court determined that Red Dog and its owner, Marshall Sehorn, never in fact had any rights to the Chess Masters.
[7] Gulf Coast Music then turned over titles of songs to artists like Betty Harris who had been denied royalties for decades by Sehorn.