Which American operatic baritone and actor sung in Porgy and Bess album 
Porgy and Bess (1950 album): This album is a 1950 recording of selections from George Gershwin's opera Porgy and Bess, sung by the noted opera stars Robert Merrill and Risë Stevens. Robert Merrill: Robert Merrill (June 4, 1917 – October 23, 2004) was an American operatic baritone and actor, who was also active in the musical theatre circuit.
Robert Merrill