The Chromatic Map
Start with all twelve notes, then see how they split into two whole-tone collections.
Click any note to explore the whole tone scales.
Two Whole-Tone Groups
The chromatic set divides into two symmetrical whole-tone groups. Combining notes from both groups produces the three diminished seventh structures.
Click any note to explore the diminished scales.
C Whole Tone
C♯ Whole Tone
Family of Dominants
Each diminished seventh chord connects to four dominant seventh chords. Use the group to hear related dominant sounds and their possible resolutions.
Select a diminished 7th chord to see its four dominant 7th children.
Starting Diminished Chords
Derived Chord Types
Major 6
Lower 2 adjacent notes
Minor 6
Raise 1 note
Dominant 7
Lower 1 note
Dominant 7â™5
Shift 2 non-adjacent notes
Chord Paths
Compare two diminished-path explanations for each sixth and dominant chord type.