Queen is a British rock band formed in London in 1970. (John Deacon joined in 1971, but the name Queen was taken in 1970.) The band has released a total of 18 number-one albums, 18 number-one singles and 10 number-one DVDs, and have sold over 300 million albums worldwide, making them one of the world's best-selling music artists. They have been honoured with seven Ivor Novello awards and were inducted into the Rock and Roll Hall of Fame in 2001. Lead singer [a=Freddie Mercury] died in November 1991 of AIDS-related complications. A year after his death, Queen continued, first with a tribute concert for the lead singer to commemorate his life (featuring all three remaining members), and then as various "Queen+" incarnations.