Oriģināls: It Ain't Necessarily So Sheet Music by George Gershwin. George Gershwin. Porgy and Bess. Ira Gershwin , Dorothy Heyward , DuBose Heyward.
Tulkojums: Tas tā vienmēr nav nošu Džordža Geršvina. Karūsa un Bess. Ira Gershwin, Dorothy Heyward, DuBose Heyward. Lead Sheet. Solero.