Farrokh "Freddie" Mercury (born Farrokh Bulsara; 5 September 1946 – 24 November 1991) was a British singer, songwriter and record producer, known as the lead vocalist and co-principal songwriter of the rock band Queen. He also became known for his flamboyant stage persona and four-octave vocal range.[3][4][5] Mercury wrote and composed numerous hits for Queen (including "Bohemian Rhapsody", "Killer Queen", "Somebody to Love", "Don't Stop Me Now", "Crazy Little Thing Called Love", and "We Are the Champions"); occasionally served as a producer and guest musician (piano or vocals) for other artists; and concurrently led a solo career while performing with Queen.