Listen to Exercises In Free Love (Orchestral Version) online. Exercises In Free Love (Orchestral Version) is an English language song and is sung by Freddie Mercury and Montserrat Caballé. Exercises In Free Love (Orchestral Version), from the album Barcelona (Special Edition - Deluxe), was released in the year 2016. The duration of the song is 3:57. Download English songs online from JioSaavn.