original song composed by George Gershwin, lyrics by Ira Gershwin, Dorothy Heyward, DuBose Heyward; from the 1935 "folk-opera" Porgy and Bess

song by George and Ira Gershwin from Porgy and Bess

aria composed by George Gershwin, with lyrics by DuBose Heyward, written for the opera Porgy and Bess (1935)

Theater adaptation of homonymous novel

aria from the opera Porgy and Bess, composed by George Gershwin, lyrics by DuBose Heyward