"Adam and Ethan have written an affable yet rigorous guitar guide filled with sage observations and suggestions for anyone who is super serious about guitar." —Nels Cline, Lead Guitarist of Wilco, One of Rolling Stone’s Top 100 Guitarists of All Time

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The book every modern guitarist needs for a lifetime of inspiration and musical growth.

In this audiobook, authors and renowned guitarists, Adam Levy and Ethan Sherman, bring their teachings to life. Whether you're discovering String Theories for the first time or revisiting it, the audiobook offers a fresh, immersive experience—like a personal masterclass, with Adam and Ethan guiding you through key ideas with live musical demonstrations.

String Theories is a comprehensive and practical guide designed to help dedicated guitarists achieve boundless musical growth. Drawing from their extensive experience as professional musicians and educators, they share invaluable lessons, insights, and strategies for players at every level.

Originally adapted from Adam Levy’s popular YouTube series Guitar Tips, this book covers essential topics, including:

Effective practice strategies
Fretboard technique
Playing with other musicians
Composition and improvisation
Listening and reading recommendations
And much more

Each concept is paired with practical exercises and actionable steps—things you can apply today, over the course of weeks or months, or even throughout your entire musical journey.

Whether you’re a student, hobbyist, or professional musician, String Theories provides a framework for lifelong growth on the guitar. This is a book you'll return to year after year as you evolve as a musician.