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Key Compatibility Checker
MusicCheck how compatible two musical keys are for mashups or modulation. See shared chords and pivot points.
ttb run key-compatibility-checker
Key 1
Key 2
90%
Perfect
C → G · 1 step on circle of fifths
Shared chords (pivot points for modulation)
CDEGAB
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如何使用 Key Compatibility Checker
Select two musical keys to see their compatibility score. The score is based on their distance on the circle of fifths. Shared chords are shown as potential pivot points for modulation.
1
Choose Key 1
Click a note from the top row to set the first key.
2
Choose Key 2
Click a note from the second row to set the second key.
3
Read the score
A green score means easy mixing; red means a challenging transition.
常见问题
What makes two keys compatible?+
Keys close on the circle of fifths share more chords and have more natural transition points.
What are pivot chords?+
Chords that exist in both keys. You can use them to smoothly modulate (change key) mid-song.