In the Still of the Night is a popular orchestral jazz standard written by Cole Porter for the MGM musical Rosalie. It was published in 1937 by Chappell & Co and was performed in the film by Nelson Eddy. The first recording was by Tommy Dorsey and His Orchestra with Jack Leonard on vocals, issued on September 8, 1937, followed by the film’s theatrical release on December 24, 1937. The tune belongs to the pop standard and jazz standard genres and became a staple of big band and vocal repertoires. Notable early versions include Leo Reisman, whose 1937 recording peaked at No 9, and the Chanticleer ensemble, whose arrangement was Grammy-nominated.