Listen to Once Upon A December (from "Anastasia") - Slow 3/4 online. Once Upon A December (from "Anastasia") - Slow 3/4 is an Instrumental language song and is sung by Guy Dearden. Once Upon A December (from "Anastasia") - Slow 3/4, from the album Disney Ballet Music in 3/4 Time - Dance Class Music for Children, was released in the year 2021. The duration of the song is 1:32. Download Instrumental songs online from JioSaavn.