P4Fourths Hub

Tonalities

Every uniquely identifiable tonality — scales, modes, and exotic sounds. Pick one to see its fretboard shapes, diatonic harmony, and triad pairs.

Pentatonic

Minor PentatonicR b3 4 5 b7Major PentatonicR 2 3 5 6

Blues

Minor Blues b3 4 #4 5 b7Major Blues 2 b3 3 5 6

Major Modes

MajorR 2 3 4 5 6 7DorianR 2 b3 4 5 6 b7PhrygianR b2 b3 4 5 b6 b7LydianR 2 3 #4 5 6 7MixolydianR 2 3 4 5 6 b7AeolianR 2 b3 4 5 b6 b7LocrianR b2 b3 4 #4 b6 b7

Bebop

Major BebopR 2 3 4 5 b6 6 7Jazz Major b3 b6R 2 b3 3 4 5 b6 6 7Bebop DominantR 2 3 4 5 6 b7 7Bebop MinorR 2 b3 4 5 b6 6 b7

Melodic Minor Modes

Melodic MinorR 2 b3 4 5 6 7Dorian b9R b2 b3 4 5 6 b7Lydian AugmentedR 2 3 #4 b6 6 7Lydian DominantR 2 3 #4 5 6 b7Mixolydian b13R 2 3 4 5 b6 b7Locrian #2R 2 b3 4 #4 b6 b7Super LocrianR b2 b3 3 #4 b6 b7

Harmonic Major Modes

Harmonic MajorR 2 3 4 5 b6 7Dorian b5R 2 b3 4 #4 6 b7Phrygian b4R b2 b3 3 5 b6 b7Lydian b3R 2 b3 #4 5 6 7Mixolydian b2R b2 3 4 5 6 b7Lydian Augmented #2R b3 3 #4 b6 6 7Locrian bb7R b2 b3 4 #4 b6 6

Harmonic Minor Modes

Harmonic MinorR 2 b3 4 5 b6 7Locrian Natural 6R b2 b3 4 #4 6 b7Ionian #5R 2 3 4 b6 6 7Dorian #11R 2 b3 #4 5 6 b7Phrygian DominantR b2 3 4 5 b6 b7Lydian #2R b3 3 #4 5 6 7Super Locrian bb7R b2 b3 3 #4 b6 6

Hungarian Minor Modes

Hungarian MinorR 2 b3 #4 5 b6 7Double Harmonic MinorR b2 3 4 #4 6 b7Ionian #2 #5R b3 3 4 b6 6 7Locrian bb3 bb7R b2 2 4 #4 b6 6Double Harmonic MajorR b2 3 4 5 b6 7Lydian #2 #6R b3 3 #4 5 b7 7UltraphrygianR b2 b3 3 5 b6 6

Japanese Scales

HirajoshiR 2 b3 5 b6In SenR b2 4 5 b7IwatoR b2 4 #4 b7

Ethnic Scales

PersianR b2 3 4 #4 b6 7ByzantineR b2 3 4 5 b6 7ArabicR 2 3 4 #4 b6 b7

Neapolitan

Neapolitan MajorR b2 b3 4 5 6 7Neapolitan MinorR b2 b3 4 5 b6 7

Symmetric

Whole ToneR 2 3 #4 b6 b7Diminished (Whole-Half)R 2 b3 4 #4 b6 6 7Diminished (Half-Whole)R b2 b3 3 #4 5 6 b7

Messiaen Modes

Messiaen Mode 1R 2 3 #4 b6 b7Messiaen Mode 2R b2 b3 3 #4 5 6 b7Messiaen Mode 3R 2 b3 3 #4 5 b6 b7 7Messiaen Mode 4R b2 2 4 #4 5 b6 7Messiaen Mode 5R b2 4 #4 5 7Messiaen Mode 6R 2 3 4 #4 b6 b7 7Messiaen Mode 7R b2 2 b3 4 #4 5 b6 6 7