Harmonic Composer
Music theory, reimagined.
Chord Progressions
Build with intention
I
C major
→
IV
F major
→
V
G major
→
vi
A minor
Interactive Keyboard
Play. Hear. Feel.
Grand Staff
Four voices, one staff
Guitar Voicings
Fretboard clarity
Cmaj7
Tablature
e ──0──
B ──0──
G ──0──
D ──2──
A ──3──
E ──x──
B ──0──
G ──0──
D ──2──
A ──3──
E ──x──
Voice Leading
SATB analysis
I
IV
V
I
S
E5
F5
D5
C5
A
C4
C4
B3
C4
T
G3
A3
G3
G3
B
C3
F3
G2
C3
✓
No parallel fifths or octaves detected
Sound Library
Choose your timbre
45+
instruments & synthesizers
Grand Piano
Violin
Warm Pad
Trumpet
Vibraphone
Flute
Supersaw
Cello
FM Synth
Clarinet
Marimba
Chiptune
Inclusive Design
For everyone
6 color-vision safe themes
Night
Day
Deutan
Protan
Tritan
Hi-Con
MIDI Input
Plug in. Create.
Arturia KeyLab 61
USB MIDI
Identified
Dm9
alt: Fmaj7/D
D3
F3
A3
C4
E4