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Theory, technique, and tools for the working musician.

The Nashville Number System — A Guitarist's Guide to Playing in Any Key

The Nashville Number System lets musicians transpose songs instantly using scale degrees instead of note names. Learn the formula, chord charts, and how to use it at jam sessions.

theoryjam-sessionbeginner

The 5 Pentatonic Patterns — Major and Minor in One Unified System

Major and minor pentatonic scales share the same 5 fretboard patterns. Learn all 5 shapes with diagrams, a unified labeling system, and a practice routine to connect the whole neck.

scalespentatonicbeginnerintermediate

Shell Voicings — The Only Guitar Chords You Need for a Jam Session

Shell voicings are 3-note guitar chords using the root, 3rd, and 7th. Learn the shapes for Maj7, Dom7, and Min7 with diagrams, voice leading tips, and a 4-week practice plan.

theorychordsjam-sessionintermediate