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Quartal (So What) chords

Built in fourths instead of thirds, the voicing Miles Davis made famous on So What. It sounds open and modal rather than major or minor, which is why modal jazz and modern comping use it for vamps that stay on one chord a long time.

Difficulty: Advanced · Category: Extended chords · Formula: 1 - 4 - b7 - 9 - 12

Quartal (So What) in every key

C quartalDb quartalD quartalEb quartalE quartalF quartalF# quartalG quartalAb quartalA quartalBb quartalB quartal

Other chord types

MajorMinorDiminishedAugmentedSuspended 2ndSuspended 4thDominant 7thMajor 7thMinor 7thMajor 6thMinor 6thMinor Major 7thDiminished 7thHalf-Diminished 7thAugmented 7thAdd9Dominant 9thMajor 9thMinor 9th6/9Dominant 11thMinor 11thDominant 13thMajor 13thMinor 13th7sus47b57b97#9Dominant 7#11Minor 6/99sus4Power Chord (5)Minor Add9Add117sus213sus4Minor Major 9thMajor 7#11Major 9#117b1313b913#117altAugmented Major 7thMinor 9b5