. "240404" . "GERSHWIN, IRA" . "164674 240404 GERSHWIN, GEORGE GERSHWIN, IRA It ain't necessarily so |s (fake book)" . "240404" . "It ain't necessarily so |s (fake book)" . "164674" . "GERSHWIN, GEORGE" . . . "It ain't necessarily so |s (fake book)" . . .