Major Triad: The 1–3–5 Formula

A simple explanation of the major triad: what notes it contains, how it sounds, how to see it on the fretboard, and how it differs from a minor triad.

Reader level: Musician

Major, Minor, and Perfect Intervals

A simple explanation of interval quality: how a major third differs from a minor third, why fourths and fifths are called perfect, and how to see this on the fretboard.

Reader level: Musician

Simple Intervals in Music

A simple explanation of intervals within one octave: how to count unisons, seconds, thirds, fourths, fifths, sixths, sevenths, and octaves, how to hear them, and how to find them on guitar.

Reader level: Performer