"What a Difference a Day Makes" is a popular song originally written in Spanish by María Grever, a Mexican songwriter, in 1934 with the title "Cuando vuelva a tu lado" ("When I Return to Your Side") and first recorded by Orquesta Pedro Vía that same year. The English lyrics were written by Stanley Adams, and the song was published in late 1934. The most successful early recording, in 1934, was by the Dorsey Brothers, although it was first recorded in English by Cleveland crooner Jimmy Ague. Dinah Washingtons version of the song, titled "What a Diffrence a Day Makes," is the most well-known and popular version of the song. It was released in 1959 and won a Grammy Award for Best Rhythm and Blues Performance.