This is one of a series of arrangements written by Nelson Riddle for Ella Fitzgerald focusing on the Gershwin songbook. These arrangements constitute some of the most famous settings of classic songs for one of the greatest vocalists in American music. "Ella Fitzgerald Sings the George and Ira Gershwin Songbook" was the high point. This arrangement features a vocalist with a string orchestra including 3 violins, 2 violas, 3 celli, harp, guitar, piano/celeste, bass, and drums. The vocal key is B-flat.