Was there ever any doubt? What makes a great guitar solo? How do you transcend beyond merely playing notes and create something truly sublime? Easy: Be Prince. The Purple One's guitar skills are legendary, but perhaps his crowning achievement came in 2004, when he joined an all-star tribute to George Harrison for the late Beatle's induction into the Rock and Roll Hall of Fame. Prince waited patiently for his moment, and as they reached the end of Harrison's iconic ballad, While My Guitar Gently Weeps, he stepped forward and made history, playing what is often described as the greatest guitar solo ever played. Let's talk about why.