Did his use of beefy strings—.013 through .052—and half-step-low tuning affect his amp performance? Definitely. An amp's input sensitivity is set for a certain amount of pitch. Stevie's ...

As the track picks up intensity via Vaughan's raucous chordal solo, Chris Layton's drum fills, and the addition of the #9 to the Eb7 chord by both Vaughan and keyboardist Reese Wynans, Shannon holds ...