nr neirocca sound-first music theory

Key Finder

Key Finder

Enter the chords from a song to estimate its key.

Enter chords

Enter chord names separated by spaces (e.g., C Am F G7)

💡How to Use
  • Enter chord names separated by spaces (e.g., C Am F G)
  • Press "Analyze" to see the most likely key
  • "View diatonic chords" takes you to the chord list for that key
  • C major and A minor share the same chords, so both may appear in results

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