Brass Ensemble - Level 3 - Digital Download SKU: A0.948766 Composed by George Gershwin and Ira Gershwin. Arranged by WW Music Enterprises. Contemporary. Score and parts. 8 pages. Warren J Wernick #5720755. Published by Warren J Wernick (A0.948766). Oh, Lady Be Good! is a 1924 song by George and Ira Gershwin. It was introduced by Walter Catlett in the Broadway musical Lady, Be Good! written by Guy Bolton, Fred Thompson, and the Gershwin brothers and starring Fred and Adele Astaire. The song was also performed by the chorus in the film Lady Be Good (1941), although the film is unrelated to the musical. Here is a charming version arranged for brass quintet.