Barcelona is the second solo album recorded by Freddie Mercury, frontman of popular British rock band Queen, and operatic soprano Montserrat Caballé. Released in 1988. It is the second and final solo album recorded by Mercury.
After Barcelona was selected to host the 1992 Summer Olympics, Mercury was approached to write a song as a theme for the forthcoming games. The idea was to create a duet with Caballé, as she is from the city. He had been a long-standing admirer of her and she in turn grew to respect his talents very highly. They decided to work on an album together, with Mercury and Mike Moran taking the creative lead as songwriters. Mercury and Moran made and sent her tapes of the music with Mercury singing in falsetto as a guide vocal for Montserrat's parts. As they rarely had an opening in their schedule to meet, her parts were recorded at another location.

"Barcelona" is a single released by Queen vocalist Freddie Mercury and operatic soprano Montserrat Caballé. A part of their collaborative album Barcelona, it also appeared on Queen's Greatest Hits III.
The song reflects Mercury's love of opera with his high notes and Caballé's operatic vocals, backed by a full orchestra. Originally released in 1987, it was one of the biggest hits of Mercury's solo career, reaching number eight in the UK Singles Chart. After Mercury's death in 1991, it was featured at the 1992 Summer Olympics, after which the track climbed even higher, peaking at number two in the UK, the Netherlands and New Zealand.
In 2004, BBC Radio 2 listed Barcelona at number 41 in its Sold On Song Top 100.