Ready
C major · press play
4/4BassCount-inPianoReady
Space play/pause · Ctrl+Z undo · Sparkles = random idea · Meter 4/4 · close voicing
Style packs
One tap loads genre defaults — meter, swing, pattern, voicing, and a real progression.
Practice mode
Meter, groove, voicing, and labels — from first chords to session prep.
Chord labels Time signature Capo (diagram shapes)Open
Capo shifts frets/diagrams only — sounding key stays C. Use transpose (±½) on Key to move the whole song.
Instrument
Repertoire pack
Style-based progressions across genres — load, practice, make them yours. 18 loops.
Max difficulty
Radio four-chord
Same functions as thousands of chart hits. Master this loop, then transpose.
- Loop at half speed until changes are silent and clean.
- Sing a simple melody on the major scale over it.
- Move to G and A without changing numbers.
Progression presets
Progression
4 chords · 4 bars · 0:10 · closeEdit chord 1
C (I · 1)
C major · tonic
C3 · E3 · G3 · C4 · bass C3
Use Harmony lab for V/x, borrowed ♭VII, slash bass, and substitutions.
Pro desk
Chord-scales, guide tones, form, reharmonization, and key changes — applied to the progression you already have.
Scale for C
Ionian (major)
Tonic major. 9 and 6/13 sparkle; 11 rubs the 3rd.
play 9play 13avoid 11
Reharmonize the loop
Modulate
Piano keys
C major · tap keys
Root Guide tone Chord toneInteractive · C3–B4
Hand demos
Animated finger order for the active chord — watch, then place.
C · step 0/4
- Watch fingers land in order (1 = index … 4 = pinky).
- Pause the demo and mirror on your instrument.
- Use MIDI scoring or change drill to test yourself.
Visual chord diagrams
C major
Piano · one octave
Hold: C3 · E3 · G3 · C4
○ open string× muted rootFinger numbers inside dotsSounds: C · Diagrams: C
What next?
Beginner-friendly moves after C.
Tip
Try a Style pack, or open for Bluetooth MIDI. Layout follows your screen size (up to 5 columns on ultrawide).
Save · export · charts
Browser library plus printable Nashville / lead-sheet charts.