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
Sometime (Glenn Miller song) introduced the song as follows: "Now comes a number that was originated right here in the band. Glenn and Mac the piano player got together and wrote it. Ray Eberle sings it. The title: 'Sometime'." This song is different from the Gus Kahn and Ted Fiorito song of the same name from 1925 and the 1918 Rudolf Friml and Rida Johnson Young song from their musical of the same name. The song was first released commercially by RCA Victor in 1963 on the album "Glenn Miller: On the Air, Volume 3", LSP 2769(e), and as a three record box set,