Keith Richards (born 18 December 1943) is an English musician, songwriter, singer and record producer who is an original member, guitarist, secondary vocalist, and co-principal songwriter of the Rolling Stones. His songwriting partnership with the band's lead vocalist Mick Jagger is one of the most successful in history. His career spans over six decades, and his guitar playing style has been a trademark of the Rolling Stones throughout the band's career. Richards gained press notoriety for his romantic involvements and illicit drug use, and he was often portrayed as a countercultural figure. First professionally known as Keith Richard, in 1978 he fully asserted his family name.