Challenging and musically rewarding advanced duo piano arrangements of four of Gershwin's most popular songs: But Not for Me * It Ain't Necessarily So * Someone to Watch over Me * 'S Wonderful/Funny Face. This addition to the two-piano repertoire was an official requirement of the 2008 Murray Dranoff International Piano Competition. "But Not for Me," "It Ain't Necessarily So," and "'S Wonderful / Funny Face" are Federation Festivals 2016-2020 selections.