PEnnsylvania 6-5000 imposed on all of New York City, including calls within the same area code. Letters from the original named exchange prefixes are occasionally spotted on old signage in the city, but are increasingly rare. Many big band names played in the Hotel Pennsylvania's Café Rouge, including the Glenn Miller Orchestra. The phone number became the inspiration for the Glenn Miller 1940 Top 5 "Billboard" hit of the same name. The number was used in the Milli Vanilli song, "Baby Don't Forget My Number", near the end. The number also inspired the pun title "Transylvania 6-5000", used separately as titles for
Glenn Miller discography UK in London by Herman Darewski Music Pub. Co., in 1941. The songbook was softcover and measured 6 3/4 X 10 inches. It consisted of 22 pages. Glenn Miller is pictured on the cover in a black and white photograph. The cover illustration is signed with the initials N.E.K. The rear cover has ads for other Melrose Brothers Music Company publications including ones for Dixieland, Book of Blues, Benny Goodman, Louis Armstrong, and Jelly Roll Morton. In the publisher's forward it discussed the art of playing jazz, mentioning "Glenn Miller, feature trombonist of Ben Pollack's Victor Recording Orchestra, and author