25 guides

Guides

Harmony, scales, tunings and keys explained for guitar composers, each guide linked to the tool where you practice it.

Start hereWhy triads are important for guitar composersWhy every guitarist should master triads: they are the building blocks of chords, the key to voice leading, and the secret to unlocking the fretboard.
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Chords & harmony

Minor triads: voicings & techniques

Learn minor triads on guitar: CAGED shapes, inversions, voice leading, and how to use them for emotional depth in songwriting and arrangement.

Practice in Chord finder →
Diminished triads: shapes, theory & application

Learn diminished triads on guitar: fretboard shapes, music theory, voice leading applications, and how to use them in jazz, classical, and modern songwriting.

Practice in Chord finder →
Dominant 7th chords & voice leading

Master dominant 7th chords: voicings, theory, blues applications, jazz voice leading, and tritone substitution. The most important chord type in popular music.

Practice in Harmonizer →
Guitar chord progressions guide

Learn the 20 most used chord progressions in pop, rock, jazz, blues, and folk. Understand roman numerals, common patterns, and how to use them in songwriting.

Practice in Chord progressions →

Scales