 Complete the following phrase:  His second album, Barcelona, recorded with Spanish soprano vocalist Montserrat Caballé, combines elements of popular music and opera. Many critics were uncertain what to make of the album; one referred to it as the most bizarre CD of the year. The album was a commercial success, and the albums title track debuted at No. 8 in the UK and was also a hit in Spain. The title track received massive airplay as the official anthem of the 1992 Summer Olympics held in Barcelona one year after Mercurys death. Caballé sang it live at the opening of the Olympics with Mercurys part played on a screen, and again before the start of the 