Hotel Pennsylvania during the three years of Miller's great popularity as a major bandleader of the Swing Era. Glenn Miller and his Glenn Miller Orchestra broadcast multiple live radio performances from the Café; some were recorded by RCA Victor. Gray, Shaw's principal orchestrator from 1937–39, was immediately hired by Miller as a staff arranger when Shaw deserted his band; it was during Miller's 1940 engagement at the hotel that Gray wrote the popular instrumental tune that immortalized the Hotel's telephone number. The hotel's telephone number appears in the title of one of his best-known songs, "Pennsylvania 6-5000". Les Brown's band, with its
Pure Gold (Glenn Miller album) "Pennsylvania Six-Five Thousand": Saxes: Hal McIntyre, Tex Beneke, Wilbur Schwartz, Ernie Caceres, Al Klink; Trumpets: John Best, R. D. McMickle, Clyde Hurley, Legh Knowles; Trombones: Glenn Miller, Jimmy Priddy, Paul Tanner, Frank D'Annolfo; Piano: Chummy MacGregor; String Bass: Herman "Trigger" Alpert; Guitar: Jack Lathrop; Drums: Moe Purtill. The personnel on the May 7, 1941 recording of "Chattanooga Choo Choo" by Glenn Miller and his Orchestra in Hollywood on RCA Bluebird were Paula Kelly, the Modernaires (vocals), Billy May, John Best, Ray Anthony, R.D. McMickle (trumpet), Glenn Miller, Jim Priddy, Paul Tanner, Frank D'Annolfo (trombone), Hal McIntyre, Wilbur Schwartz (clarinet, alto