From the mid-1970s until 1986, Queen played at some of the biggest venues in the world, including an acclaimed performance at Live Aid in 1985. They became one of the biggest rock bands in the world with the success of the album A Night at the Opera and its single ' Bohemian Rhapsody'. After Mercury joined to form Queen in 1970, bass guitarist John Deacon completed the line-up in 1971. May previously performed with Taylor in the progressive rock band Smile, which he had joined while he was at university. His guitar work and songwriting contributions helped Queen become one of the most successful acts in music history.
He achieved worldwide fame as the lead guitarist of the rock band Queen, which he co-founded with singer Freddie Mercury and drummer Roger Taylor. Sir Brian Harold May CBE (born 19 July 1947) is an English musician, songwriter, singer, astrophysicist and animal rights activist.