The thorny subject of the greatest guitar solo of all time has long been a fiercely contested debate, probably because every solo is different. How do you compare, say, “Comfortably Numb” with “Crazy ...

The guitar solo isn’t an endangered species; it’s one that’s evolving to survive in a rapidly changing climate. Guitar gods of the 20th century, like Slash and Eddie Van Halen (or their modern-day ...