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,
Montserrat in World War I August 1914. The entirety of the British Empire declared war upon them on the same day, including Montserrat, which was administered as part of the federal crown colony of the British Leeward Islands at the time. Almost immediately, a militia was formed, called the Montserrat Defence Reserve. Many Local Ladies Committees were formed to raise funds and support for the war effort. They also organized drives for material donations, such as one in which of Guava Jelly was collected. Many of the individual presidencies of the five Leeward Islands donated money for the war effort. Montserrat was one, donating £1,000