Piano Duets & Four Hands - Digital Download SKU: AX.00-PB-0000614 Composed by Dorothy Heyward, Du Bose Heyward, George Gershwin, and Ira Gershwin. Arranged by Percy Aldridge Grainger. Classical. 44 pages. Alfred Music - Digital Sheet Music #00-PB-0000614. Published by Alfred Music - Digital Sheet Music (AX.00-PB-0000614). ISBN 9780769260136. UPC: 029156130751.