This June 18, Paul McCartney celebrates 84 years as one of the most influential figures in popular music. Singer, composer, bassist and co-founder of The Beatles, the British revolutionized rock alongside John Lennon, George Harrison and Ringo Starr, then built a successful career as a soloist and at the head of Wings. With over six decades on stage, McCartney has composed some of the most important songs of all time, many of them turned into hy…