He was hired by Welk in 1962 to join his orchestra and his television show. For six years, he played both the clarinet, saxophone and flute for a weekly national television audience and on stage when the Music Makers went out on tour. After leaving the Welk organization, Clark continued to perform on many more movie soundtracks and with numerous artists such as Frank Sinatra and Madonna. He was replaced by reedman Dave Edwards before the new T.V. taping sessions in 1968.