Queen was a British rock band formed in 1970 consisting of Freddie Mercury, Brian May, Roger Taylor, and John Deacon. They were influenced by progressive rock, hard rock, and heavy metal early on. Their songs covered topics like sports, bisexuality, and rock music. They incorporated various styles like arena rock and pop rock. Their most famous record was "A Night at the Opera" from 1975, which included their most well-known song "Bohemian Rhapsody".