Sir Michael Philip Jagger, known professionally as Mick Jagger, is an English singer-songwriter, musician, composer and actor who gained fame as the lead singer and one of the founder members of the Rolling Stones. Jagger's career has spanned over five decades, and he has been described as "one of the most popular and influential frontmen in the history of rock & roll". His distinctive voice and performances, along with Keith Richards' guitar style have been the trademark of the Rolling Stones throughout the band's career. Jagger gained press notoriety for his admitted drug use and romantic involvements, and was often portrayed as a countercultural figure.