He appeared with the Rex Humbard National Television Ministry for eight years from the Cathedral of Tomorrow Church in Akron, Ohio.
Outside of gospel, he had a contract with the Swope Park Musical Lyric Theatre in Kansas City, Missouri.
Clark sang with the Cleveland Symphony Orchestra in operatic excerpts under the conductorship of George Szell.
He appeared in numerous roles with the Orlando Opera Company for five years while pastoring an Independent Baptist Church in Winter Springs, Florida.
Country artists with which Clark has worked include Marty Robbins, Jimmy Dean, and Hank Snow.