Queen (band)
Queen are a British rock
Rock music
Rock music is a genre of popular music that developed during and after the 1960s, particularly in the United Kingdom and the United States. It has its roots in 1940s and 1950s rock and roll, itself heavily influenced by rhythm and blues and country music...

 band formed in London in 1971, originally consisting of Freddie Mercury
Freddie Mercury
Freddie Mercury was a British musician, singer and songwriter, best known as the lead vocalist of the rock band Queen. As a performer, he was known for his flamboyant stage persona and powerful vocals over a four-octave range...

 (lead vocals, piano), Brian May
Brian May
Brian Harold May, CBE is an English musician and astrophysicist most widely known as the guitarist and a songwriter of the rock band Queen...

 (guitar, vocals), John Deacon
John Deacon
John Richard Deacon is a retired English multi-instrumentalist and song writer, best known as the bassist for the rock band Queen. Of the four members of the band, he was the last to join and also the youngest, being only 19 years old when he was recruited by the other members of the band...

 (bass guitar, guitars, vocals), and Roger Taylor
Roger Meddows-Taylor
Roger Meddows Taylor , known as Roger Taylor, is a British musician, singer-songwriter and multi-instrumentalist. He is best known as the drummer, backing vocalist and occasional lead vocalist of British rock band Queen. As a drummer he is known for his "big" unique sound and is considered one of...

 (drums, vocals). Queen's earliest works were influenced by progressive rock
Progressive rock
Progressive rock is a subgenre of rock music that developed in the late 1960s and early 1970s as part of a "mostly British attempt to elevate rock music to new levels of artistic credibility." John Covach, in Contemporary Music Review, says that many thought it would not just "succeed the pop of...

, but the band gradually ventured into more conventional and radio-friendly works, incorporating more diverse and innovative styles in their music.

Before joining Queen, Brian May and Roger Taylor had been playing together in a band named Smile
Smile (band)
Smile were a London-based blues rock band best known as the predecessor to renowned rock band Queen. The band was formed in 1968 by Brian May, who was to become Queen's guitarist. The group included Tim Staffell as singer and bassist, and, later, drummer Roger Taylor, who also went on to play for...

 with bassist
A bass player, or bassist is a musician who plays a bass instrument such as a double bass, bass guitar, keyboard bass or a low brass instrument such as a tuba or sousaphone. Different musical genres tend to be associated with one or more of these instruments...

 Tim Staffell
Tim Staffell
Timothy "Tim" Staffell is an English rock musician and visual artist. He was a member of blues-rock outfit 1984 and later Smile, a band which included guitarist Brian May and drummer Roger Taylor. Upon Staffell's departure, Smile were joined by Freddie Mercury and John Deacon to form the band Queen...