Barcelona (Freddie Mercury and Montserrat Caballé song) contained "Exercises in Free Love" from "The Freddie Mercury Album". The 1992 version of the 7" Spanish record had another version of "Barcelona" on the B-side, and the rare 1987 12" Hong Kong record was one-sided and had a unique sleeve. Most 5" CDs contained two or three versions of "Barcelona" and "Exercises in Free Love". Most 7" record and 5" CD covers featured Mercury and Caballé singing on a stage with an orchestra on the background, though the Portuguese version pictured them in a static studio photo. The 1992 reissue 7" records contained another version of the singing artists,
Llibre Vermell de Montserrat songs it contains. The monastery holds the shrine of the Virgin of Montserrat, which was a major site of pilgrimage during the time it was compiled. The purpose of the compilation is made clear by its anonymous compiler himself: The songs, therefore, were written for the pilgrims to have something appropriately "chaste and pious" to sing and dance to (round-dance). The songs are in Catalan, in Occitan and in Latin. While the collection was written near the end of the 14th century, much of the music in the collection appears from its style to originate earlier; the motet " Imperayritz