Listen to Thoroughly Modern Millie (from "Thoroughly Modern Millie") online. Thoroughly Modern Millie (from "Thoroughly Modern Millie") is an Instrumental language song and is sung by Guy Dearden. Thoroughly Modern Millie (from "Thoroughly Modern Millie"), from the album Showstoppers 8 - Musical Theatre Backing Tracks, was released in the year 2021. The duration of the song is 2:30. Download Instrumental songs online from JioSaavn.