Harmonic Field Generator

Choose a key and view its major or minor diatonic chords, scale degrees, seventh chords, playback, and copy tools.

RootModeType

About this tool

Choose a key to see its diatonic chords, scale degrees, and harmonic functions.

How to use

Choose the tonic note.
Select major or minor and triads or seventh chords.
Play the chords, copy the progression, and use the degrees in your songs.

How to use the harmonic field generator

Select a root, mode, and chord type. The result shows all seven degrees with chord names and Roman numerals.

The tool is designed to give a quick answer without hiding the musical logic. Explore the controls, listen whenever playback is available, and compare alternatives before choosing what fits your song.

When this tool is most useful

It is especially useful for finding which chords belong to a key and for transposing progressions by degree.

It also supports harmony study, songwriting, rehearsal, and setlist preparation. Results can be copied and combined with the other tools in the Musician Toolkit.

Study tip

Try the same example in different keys. Comparing scale degrees, intervals, and notes helps you recognize patterns that appear in many songs.

Listen before memorizing
Compare major and minor
Notice harmonic functions
Practice with a metronome

Frequently asked questions

What is a harmonic field?

It is the set of diatonic chords built from the notes of a scale, organized by degree.

Can I show seventh chords?

Yes. Switch from triads to seventh chords.

Is it useful for songwriting?

Yes. Scale degrees make it easier to create and transpose progressions.