0:00/??? It Ain't Necessarily So £2.49 In cart Not available Out of stock Share Key: G Minor Composer: George Gershwin Lyricst: Du Bose and dorothy Heyward and Ira Gershwin Copyright: 1935 GEROGE GERSHWIN MUSIC, IRA GERSHWIN MUSIC and DU BOSE and DOROTHY HEYWARD MEMORIAL FUND. All rights adminsitered by WB MUSIC CORP