Listen to Back In The Old Routine / Bye Bye Blues - Medley (Includes play off music) online. Back In The Old Routine / Bye Bye Blues - Medley (Includes play off music) is an Instrumental language song and is sung by Guy Dearden. Back In The Old Routine / Bye Bye Blues - Medley (Includes play off music), from the album Showstoppers 8 - Musical Theatre Backing Tracks, was released in the year 2021. The duration of the song is 4:04. Download Instrumental songs online from JioSaavn.