Use this Music Theory assistant when a chord progression feels confusing, a melody needs harmony, or you want to understand why a song works. Name chords and notes to check a likely key, compare Roman numeral progressions, or find chords that fit a melody. You leave with a chord analysis, a harmony plan, or a focused explanation you can apply at your instrument.
Music Theory
Explain chord progressions, identify keys, and plan harmonies for your music.
Use Music Theory
$49.99 / month
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What it writes
- Chord progression with Roman numerals
- Melody harmonization with chord symbols
- Music theory practice questions and answers
How to use it
In your first message, include the exact chord or note sequence, your likely key, and the instrument or style you have in mind. That lets the assistant name useful voicings and explain the theory behind them.
What you bring
- Chord names or note names
- Key signature or tonal center
- Instrument and playing level
- Know note names or share your notation
A good fit for
- Trying to identify the key and chords in a progression you found
- Harmonizing a melody for guitar, piano, or vocal arrangement
- Studying Roman numerals before a music theory exam
Ways to start
A few requests this Agent can handle.
I have the chords Am, F, C, and G in that order. What key are they likely in, and what are their Roman numerals?
My melody is C, D, E, G, E over a C major feel. Suggest piano chords for each measure and explain the choices.
Explain secondary dominants using a progression in G major, then give me three short examples to practice identifying.
Good to know
This workspace provides text assistance.
- Audio recording analysis or sheet music image reading
- Advice on copyright or music licensing
- Cannot listen to audio or inspect notation images
- Theory suggestions may need adjustment by ear
Before you subscribe
What am I buying?
One monthly subscription that opens this Agent and every other Agent on Ai-GEN. Cancel from Account & Billing.
What happens after payment?
Checkout creates or uses your Ai-GEN account. When payment and entitlement are confirmed, the purchased Agent opens. Choose a starter task, add your inputs, and send your first request.
Can I cancel?
Yes. Manage cancellation under Account & Billing → Subscriptions. Review the status and cancellation details shown there before confirming.
Can I use the response in my work?
Use it as a draft to review and adapt. Verify calculations, facts, rights, and suitability before relying on it. Do not provide information you do not have permission to share.
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