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 Orchestra it out on the dances at the Glenn Island Casino, and they loved it. They couldn't figure out how we knew when to come in loud. But, you know, I told them, "Well, we have a sixth sense of that sort of thing." But actually, what happened is the drummer hit the cowbell, and we knew the next time was loud. And this was all Glenn's doing. On February 5, 1940, Miller recorded "Tuxedo Junction", which hit number-one hit and reportedly sold 115,000 copies within the first week of release, and placed 7th overall for the National Hit Parade that