Hotel Pennsylvania The hotel has the distinction of having the New York phone number in longest continuous use. The number, Pennsylvania 6-5000 (212-736-5000), is the inspiration for the Jerry Gray composition of the same name (with lyrics later added by Carl Sigman). The most popular version was performed by Glenn Miller, with the Andrews Sisters' version not far behind. The Cafe Rouge was originally the main restaurant in the Hotel Pennsylvania. It served as a nightclub for many years, but now operates as a separate venue from the hotel entirely, as a multi-purpose space. It is the only space in the hotel
Glenn Miller (a former arranger for Tommy Dorsey), Billy May and to a much smaller extent, George Williams, who worked very briefly with the band as well as Andrews Sisters arranger Vic Schoen According to Norman Leyden, "[s]everal others [besides Leyden] arranged for Miller in the service, including Jerry Gray, Ralph Wilkinson, Mel Powell, and Steve Steck." In 1943, Glenn Miller wrote "Glenn Miller's Method for Orchestral Arranging", published by the Mutual Music Society in New York, a one hundred sixteen page book with illustrations and scores that explains how he wrote his musical arrangements. "Major Alton Glenn Miller (Army Serial No.