Edited sentence: "Put On Your White Sombrero" is a song based on waltz with a latinamerican sound recorded in 1980 with lead vocal by Anni-Frid Lyngstad.It has since apperared as a bonus track on various versions of reissues of the "Super Trouper"-album and in the boxset "Abba - The Complete Studio Recordings".It was however replaced by that albums' title track.Originally the track was intended to be released on the 1980-album Super Trouper.The song remained unreleased until 1994, when it was included in the box set "Thank You For The Music" and the promo-cd-single "Dream World"