"La mentira (Se te olvida)", known in English as "Yellow Days", is a bolero written by Álvaro Carrillo around 1965.[1] Alan Bernstein wrote the song's lyrics in English. It has become a Latin and jazz standard, having been featured as the theme song of films and telenovelas,[2] as well as being covered by artists such as Frank Sinatra, who sang it to an arrangement by Billy May.[3] It appeared on the Francis A. & Edward K. (Sinatra and Duke Ellington) album on Reprise. It has also been covered by Jerry Vale, the Sandpipers, Anita Bryant, Johnny Mann, Lenny Dee, Johnny Mathis, and Jonah Jones.[4]