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
Glenn Miller discography label listed as "Glenn Miller". Teagarden sang and played trombone on the recording. "Wings on Parade" was a "musical work" posthumously copyrighted on September 21, 1951 as a "piano solo" by Glenn Miller. The alternate title is "The Flaming Sword of Liberation" which was copyrighted on July 15, 1944 and published by the Mutual Music Society. The "Copyright Claimant" is listed as Steven D. Miller, Glenn Miller's adopted son. The copyright was renewed on January 10, 1979. The song was performed on July 9, 1944 by Captain Glenn Miller and the American Band of the Supreme Allied Command for radio