Freddie Mercury & Montserrat Caballé – Barcelona (1987)
The album Barcelona was released in 1988, and again, as a three CD »Special Edition – Deluxe« in 2012. 
»A special edition of the album was released on 3 September 2012. It features a new version of the album with the previous instrumental tracks replaced with new, live symphonic orchestration and percussion rather than synthesizers and drum machines. The new edition also has a new unique album cover.«