Acoustic guitarist Andy McKee is the subject of Ernie Ball’s latest episode of String Theory, a web series exploring the sonic origins of some of music’s most influential and innovative guitar players.

Here are five surprising facts revealed in the episode:

1. Seeing Preston Reed and Michael Hedges transformed his view of the acoustic guitar (0:15): “There’s nothing like the first time, when I saw Preston Reed when I was 16—or when I heard Michael Hedges a year later. I just had never seen anything like it in my life. I thought the acoustic guitar was, you know, G, C and D, strumming along and singing campfire songs, whatever. He was playing guitar in a way I’d never seen before, with his left hand over the top of the neck, and hitting the guitar body for different drum sounds. He totally blew my mind that night.”

2. Eric Johnson’s “Cliffs of Dover” made him fall in love with guitar (0 :57): “I didn’t get into actually playing the guitar until I was 13. I heard Eric Johnson on the radio. He was doing “Cliffs of Dover” at that time, it was the early Nineties. I heard that tune, and just really fell in love with the guitar at that point.”

3. His writing process is heavily inspired by alternate tunings (1:43): “When I’m writing music, usually what happens is I’ll come up with a new tuning, and begin to experiment. All of the chord shapes that you know are thrown out. All the scale patterns you’ve memorized and played a million times are thrown out. It’s kind of counterintuitive, but you’re just forced to think in a different way.”

4. Being a genuine and honest person is part of his

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