Keith Richards (born 18 December 1943) is an English musician, singer, and songwriter. He is best known as the co-founder, guitarist, secondary vocalist, and co-principal songwriter of the Rolling Stones. Rolling Stone magazine called Richards the creator of "rock's greatest single body of riffs" on guitar and ranked him fourth on its list of 100 best guitarists in 2011. The magazine lists fourteen songs that Richards wrote with the Rolling Stones' lead vocalist Mick Jagger on its "Rolling Stone's 500 Greatest Songs of All Time" list.