English singer-songwriter, multi-instrumentalist, and composer., Sir Paul McCartney gained worldwide fame as the bassist of the rock band the Beatles, one of the most popular and influential groups in the history of pop music. With fellow band mate John Lennon. McCartney helped the band turn the rock world upside down, leaving a lasting impression on popular culture. After The Beatles broke up in 1970, McCartney continued to have great mainstream success as part of Wings and during his solo career. In 2016, McCartney started his latest tour, "One On One."