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Theory, technique, and tools for the working musician.

The 5 Major Pentatonic Shapes (Root-Centric System)

Learn the 5 major pentatonic shapes on guitar with C major pentatonic diagrams, root-centric finger anchors, and a 5-week practice routine. The same shapes as minor pentatonic with a different home.

scalespentatonicbeginnerintermediatemajor

The 5 Minor Pentatonic Shapes (Root-Centric System)

Master the 5 minor pentatonic shapes on guitar using a root-centric naming system. Diagrams for A minor pentatonic, finger anchors, and a 5-week practice routine to connect the whole neck.

scalespentatonicbeginnerintermediateminor

Harmonizing the Major Scale with Shell Voicings — Every Chord, Every Position

Walk through the entire major scale harmonized with shell voicings on guitar. Fretboard diagrams for all 7 diatonic chords with 6th-string roots in G major and 5th-string roots in C major.

theorychordsshell-voicingsharmonizationintermediate

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

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