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Capo Calc

Hear a song, know its key — find which open pattern and capo position let you play it.

Am · relative major C — every pattern below sounds this chord family.

0capo
Cpatternsweet spot
IC
IImDm
IIImEm
IVF
V7G7
VImAm
vii°Bdim
3capo
Apatternsweet spot
IA→ C
IImBm→ Dm
IIImC#m→ Em
IVD→ F
V7E7→ G7
VImF#m→ Am
vii°G#dim→ Bdim
5capo
Gpattern
IG→ C
IImAm→ Dm
IIImBm→ Em
IVC→ F
V7D7→ G7
VImEm→ Am
vii°F#dim→ Bdim
8capo
Epattern
IE→ C
IImF#m→ Dm
IIImG#m→ Em
IVA→ F
V7B7→ G7
VImC#m→ Am
vii°D#dim→ Bdim
10capo
Dpattern
ID→ C
IImEm→ Dm
IIImF#m→ Em
IVG→ F
V7A7→ G7
VImBm→ Am
vii°C#dim→ Bdim
Play the chord you fret with the open shape→ the chord it actually sounds in the song’s key