Chord Lab

Highlights

• Six workspaces: Studio, Academy, Live, Class, Ears and Cloud
• 8 one-tap style packs (pop, worship, 12-bar blues, jazz ii–V–I, bossa, folk waltz, Mixolydian rock, Dorian soul)
• Repertoire pack of 18 genre loops, filterable by genre and difficulty
• Seven sampled instruments: piano, electric piano, guitar, ukulele, organ, synth pad, marimba
• Reharmonise in one tap: neo-soul colour, gospel lift, ii–V approaches, tritone subs, backdoor ending
• Modulate up a step, 4th or 5th, or move to the relative minor
• Guitar and ukulele chord diagrams with capo, plus piano hand demos
• Academy quizzes and timed practice drills

How to use

1. Choose a key and mode, or tap a style pack
2. Press Play; the piano lights up each chord as it sounds
3. Edit the progression: add, move, recolour or transpose chords
4. Turn on count-in, half speed, metronome, bass or drums to practise
5. Save or export when you're happy

Controls

Space

Play / pause

Ctrl+Z

Undo

Sparkles button

Random progression idea

Tips

• Labels can switch between Plain, Symbol, Roman and Nashville
• Capo only moves the diagram shapes; use transpose (±½) to change the sounding key
• Export as text, MIDI, Nashville chart or lead sheet, or copy a share link