Chord progression studio

Choose a major key and turn scale degrees into a chord progression with note names.

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Major-key root

Scale degrees

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Updated 2026-09-19

Using the chord progression studio

Enter degrees from 1 through 7. Each triad takes a scale note, then the notes two and four scale positions above it. The diatonic qualities in a major key are major, minor, minor, major, major, minor and diminished.

Next: Music theory workbench

A worked example

In C major, 1 5 6 4 gives C major, G major, A minor and F major.

Before you use the result

Output uses pitch-class labels, not voice leading, inversions or sheet music. No audio recording or copyrighted progression library is used.

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ToolOctopus. “Chord progression studio.” Updated 2026-09-19. https://tooloctopus.com/chord-progression-studio.

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