Ella Fitzgerald Sings the Harold Arlen Songbook is a 1961 (see 1961 in music) album by the American jazz singer Ella Fitzgerald, with a studio orchestra conducted and arranged by Billy May. This album marked the only time that Fitzgerald worked with May. 　　The Harold Arlen Songbook is the sixth album in Fitzgerald's series of recordings of songs written by the pantheon of Broadway composers who formed the body of work now considered the Great American Songbook. 　　The cover art is a drawing by Henri Matisse.