Listen to Once Upon a Time (From "It´s Always Fair Weather") online. Once Upon a Time (From "It´s Always Fair Weather") is an English language song and is sung by Gene Kelly, Dan Dailey and Jud Conlon. Once Upon a Time (From "It´s Always Fair Weather"), from the album 50 Original Film Soundtracks: The Best Songs. No. 6, was released in the year 2012. The duration of the song is 2:17. Download English songs online from JioSaavn.