Twelve TheoryMath + Music Playground
Explore interactive music theory and music by numbers through Free Play, Math Mode, Chord Game, the Note Stage, Circle Counting, the Triad Chart, Church Modes, Harmonic Cone, Waveforms, Harmonic Polygons, Tuning String, Sheet Music, Musical Circles, and Ear Training.
Interactive module
Church Modes
Compare seven movable patterns built on the same tonic.
Labels
Curves connect half stepsTap any pattern number to play and illuminate its triad
DegreePositionModePattern in fixed numbers from C
Degree1
Position1
C IonianMajor
Degree2
Position3
C Dorian
Degree3
Position5
C Phrygian
Degree4
Position6
C Lydian
Degree5
Position8
C Mixolydian
Degree6
Position10
C AeolianNatural minor
Degree7
Position12
C Locrian
Tap any pattern number. Its complete triad will sound and all three chord tones will light up.
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