We’ve got a YouTube legend on deck for this week’s edition of Gear Factor. Justin Whang, from his Whang! YouTube channel and the metal band Jynx, joined us to play some of his favorite all-time riffs.

Steve Vai has played with a wealth of musicians over the years and his guitar-playing style has kept him as an in-demand collaborator, but once upon a time the guitar great was met with some criticism ...