Introduction to Modes | Chordier lessons

Modes are the same notes as the major scale, started from a different point. The starting point determines the mood. This isn't advanced theory - it's one idea with seven applications, and two of them you've already been using without knowing it.

How Modes Work

Take G major: G A B C D E F#. Start on A instead of G and play to the octave: A B C D E F# G A. That's A Dorian. The notes are identical. A is now the tonal center, and the scale sounds different because of it.

The seven modes of the major scale:

I - Ionian (G): the major scale. Bright and resolved.
II - Dorian (A): minor with a raised 6th. Dark but with lift.
III - Phrygian (B): very dark, Spanish-flavored, flat 2nd.
IV - Lydian (C): major with a raised 4th. Dreamy, floating.
V - Mixolydian (D): major with a flat 7th. Rock and blues staple.
VI - Aeolian (E): natural minor. Melancholic, stable.
VII - Locrian (F#): diminished quality, rarely used as a center.

Modes You Already Know

Ionian is the major scale from the previous lesson. Aeolian is the natural minor - E natural minor uses the same notes as G major, starting from E. If you've played an Em chord and noticed the key feels darker when it's the home chord, you've already experienced Aeolian without naming it.

Dorian: The Guitar Mode

Dorian is minor with a raised 6th. In A Dorian (from G major, starting on A): A B C D E F# G. The F# - the raised 6th - is what distinguishes Dorian from natural minor (which would have F). That one note gives Dorian its characteristic sound: darker than major, but with a brightness that pure minor lacks.

Dorian is everywhere: Carlos Santana, "Oye Como Va," most of Miles Davis's "Kind of Blue," and a large portion of funk and soul. On guitar, A Dorian works over an Am or Am7 chord and sounds distinctly different from A natural minor over the same backing.

Mixolydian: Rock and Blues

Mixolydian is built on the 5th degree of the major scale. G Mixolydian (from C major, starting on G): G A B C D E F. The F instead of F# gives it that open, unresolved quality you hear in folk, rock, and blues. Most classic rock licks that sound neither quite major nor quite minor are in Mixolydian.

Practice Exercise

Play an Em chord and loop it. Over that chord, play the G major scale starting and ending on E (E Aeolian). Notice how E now sounds like the resting note. Now switch to a G chord and play the same notes - the same scale now sounds like G Ionian (major). The chord underneath determines which note is "home" and which mode you're in. This is the most practical modal exercise: change the chord, not the notes, and hear the mode shift.

Questions and Answers

What is a mode in music?: A mode is a scale derived from the major scale by treating a different degree as the tonal center. The seven modes (Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian) all use the same notes as the parent major scale but have different starting points, creating distinct interval patterns and characteristic sounds.
What is Dorian mode and what does it sound like?: Dorian is the second mode of the major scale - a minor scale with a raised 6th degree. Compared to natural minor (Aeolian), Dorian has a slightly lighter quality due to the raised 6th. It appears frequently in jazz, funk, soul, and rock, and is associated with artists like Carlos Santana and Miles Davis.

Next up: First Repertoire Song - putting theory, chords, and rhythm together in a complete song arrangement.