How do I use the circle of fifths?

Choose a source key and inspect its neighbors, relative key, and diatonic chords. Nearby keys usually share more musical material, while clockwise fifth motion creates strong dominant-to-tonic direction.

What do the inner and outer rings mean?

The outer ring shows major keys. The inner ring shows their relative minor keys, which share the same key signature.

Can the circle of fifths help with modulation?

Yes. It reveals harmonic distance and closely related keys, while the tool adds common-chord pivots, dominant preparation, and playable route suggestions between two selected keys.

← Home Circle Guide Modulation Helper

Interactive Circle of Fifths

Choose major or minor keys, click around the circle, hear their diatonic chords, and plan cleaner transitions. Compare classical and modern relationships, then explore playable modulation and pivot-chord routes.

Source Key

Target Key

Interpretation

Source Target Closely Related Shortest Fifth Path

Choose two keys or click the circle to explore.

Interactive Circle

Outer ring = major keys, inner ring = minor keys. Click any key to set it as target.

Major Ring Minor Ring

Modulation Pathways

Key-level routes around the circle for your selected interpretation.

Pivot Chord Suggestions

Common-chord pivots first, then functional alternatives when direct overlap is limited.

Playable Key Chords

Compare the scale notes and diatonic chords in the source and target keys. Click any chord to hear it and see its exact piano notes.

How To Read The Circle

The outer ring contains major keys; the inner ring contains their relative minor keys. Moving clockwise travels by ascending fifths, while counter-clockwise movement follows fourths. Neighboring keys normally share more notes and chords than distant keys.

Use nearby keys when you want a smooth bridge or modulation. Use the highlighted route and pivot suggestions when you want to compare the harmonic distance between two destinations. The circle of fifths guide explains how to turn these relationships into songwriting decisions.