Cello Duet Cello - Level 5 - Digital Download SKU: A0.1103697 Composed by Dorothy Heyward, Du Bose Heyward, George Gershwin, and Ira Gershwin. Arranged by Natasha Jaffe. Blues,Chamber,Opera. Score. 10 pages. Natasha Jaffe #706971. Published by Natasha Jaffe (A0.1103697). Arranged for 2 cellos and a loop pedal (see alternative 3 cello arrangement) for advanced players. Written-out improvised section can be replaced with your own improvisation and repeated if desired for more looping.