ChordLab Ultimate

Guitar progression & theory studio
Reverb
C Major
·
Click a chord to add it
Common Progressions
Try →
Your Progression
Pick a preset or generate one instantly
BEAT
Rhythm:
METRO
TRANSPOSE C
80
Saved Progressions
No saved progressions yet — build one and hit ♥ Save
KEY FINDER — what key are these chords in?
▾
Click any chords you know, and the app will find the best matching key.

Selected Chord

Click a chord in your progression or palette.

Guitar Chord Diagrams

Select a chord above to see guitar fingering
Keyboard Shortcuts
Press ? or click ⌨ ? in the header to see all shortcuts.  •  Space = Play/Stop  •  1–7 = Add degree  •  ← → = Transpose  •  F = Focus mode
Root Key
Scale Type

C Pentatonic Minor

Chords that use notes from this scale

Fretboard Patterns — All 5 CAGED Positions

Speed:
90
—
Root Key
Scale / Mode
Octave
4
PIANO KEYBOARD — Click keys to play · Scale notes highlighted in green · Chord tones in orange
Root
Scale note
Chord tone
Outside scale

Chords in this scale — click to highlight on keyboard

Scale Info

Select a scale above.

Selected Chord

Click a chord above to see its notes on the keyboard.

🎧 Ear Training

Train your ears to recognise chords, progressions, scale degrees, and melodies. Pick a mode and difficulty.

Chord Quality
Hear a chord — identify major, minor, or diminished.
Scale Degree
Hear a chord — identify its Roman numeral in the key.
Progression ID
Hear a 4-chord progression — name the pattern.
Interval Ear
Hear two notes — identify the interval between them.
Solfège / Do Re Mi
Hear a note in a scale — name it: Do, Re, Mi, Fa…
Melody Direction
Hear a short melody — is it ascending, descending, or arched?
Difficulty:
Q 1/10  |  Score: 0
Listen to this chord
?
SONG TITLE
ARTIST / BAND
🎵
Enter a song title and artist above.
Claude will break down the full structure —
Intro · Verse · Pre-Chorus · Chorus · Bridge · Outro
— with chord progressions, bar counts, and arrangement notes.
Practice Mode
Loops your progression at the set BPM.
Visual countdown before each chord change.
Bars per chord:
Count-in:
BPM 80

⌨ Keyboard Shortcuts

Playback
SpacePlay / Stop progression
↑ ↓BPM +5 / −5
Progression
1 – 7Add chord degree I – VII
BackspaceRemove last chord
RRandom progression
Key & Scale
← →Transpose key ±1 semitone
Navigation
FToggle Focus mode
?Show / hide this overlay
EscClose overlays