Farrokh Bulsara (5 September 1946 – 24 November 1991), better known as Freddie Mercury, was a British singer, songwriter, record producer, and lead singer of the rock band Queen. Regarded as one of the greatest singers in popular music history, he was known for his flamboyant stage persona and four-octave vocal range. Mercury wrote 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". He led a solo career while performing with Queen, and occasionally served as a producer and guest musician for other artists.