MODUS HARMONI FIRST DRAFT
MODUS HARMONI. Build your own chord progression, choose a key and scale, and hear how the chords fit together. Select a chord to see its notes and how to play it on guitar or piano.
01 / YOUR CHORD PROGRESSION
Choose a chord. Make it yours. + Add chord Click a chord card to see its shape. Change the root and chord type directly in the card.
TONAL CENTRE AND SCALE MAP
Tonic / tonal centre Scale / mode
A new tonic transposes the whole progression. A new scale adapts the chords on the same degrees. Roman numerals show degrees from the tonic, using major-scale degrees as the reference. Lowercase means minor. ♭ and ♯ indicate lowered and raised degrees.
INSPIRATION / READY-MADE PROGRESSIONS
Start with a familiar progression. Choose a chord progressionChoose a style and chord progression … Pop · I–V–vi–IV Rock · I–IV–V–I Popballade · vi–IV–I–V Jazz · ii7–V7–Imaj7 Moll / moderne rock · i–♭VI–♭III–♭VII
Choose a progression to insert its chords automatically. You can edit them freely afterward.
▶ Play progression Tempo 4 beats per chord · 4/4 Download MIDI ↓
Play the progression with a full band. Take the selected scale map and chord progression to drums, bass and piano.
Save and load progressions + Your draft is saved in this browser.
Progression name Save progression
Saved progressions Load progression
02 / FROM THEORY TO SHAPES
♫ Listen to the chord
Guitar
X = muted · O = open string
Piano Root position 1st inversion 2nd inversion
Play the highlighted keys together. An inversion changes the bass note, while the root remains highlighted in green.
The piano shows its own voicing of the same chord. The guitar may double notes, omit the perfect fifth and use a different register.
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