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 sometime early in the morning. Next day, we cut the record. It's been the most popular I've ever done! The lyrics were later included with the sheet music, but it never carried our names." The first authenticated recordings made by Glenn Miller were in 1926. In the fall of 1926, Earl Baker, a cornetist, made recordings on cylinders using the Edison Standard Phonograph recording device, making the first recordings of Glenn Miller, Benny Goodman, and Fud Livingston. Miller and Goodman were both in the Ben Pollack and his Californians band at that time. The Ben Pollack band was in Chicago,