Chord Progression Generator – Find Chords by Key and Mood

How do I generate a useful chord progression?

Select a key, then choose one of four moods. For example, C with uplifting gives C G Am F. Play each chord for the same length to hear the harmonic movement. Then choose your own rhythm, voicings and repetitions. Those decisions are not specified by the symbols. The four-chord result is a starting point to develop through listening and playing.

What do the four mood settings change?

Each mood selects fixed scale degrees: uplifting 1–5–6–4, emotional 6–4–1–5, dark 1–6–3–7 and dreamy 1–3–4–5. The chords also depend on major or minor. The names are creative prompts; tempo, melody, instrumentation and performance shape the mood too. A pattern cannot guarantee an emotional response. Develop the progression and listen to the complete idea before deciding how it fits your song.

How are major and natural minor handled?

The generator uses notes and triad qualities from major or natural minor. Uplifting in C major gives C G Am F; emotional in A minor gives F Dm Am Em. Natural minor's fifth degree remains minor. The tool does not automatically raise a leading note or substitute harmonic or melodic minor. Remember this when comparing progressions that use other minor-key conventions.

How do I read Roman numerals and Nashville numbers?

These notations describe chords relative to the tonic. In C major, C G Am F is I–V–vi–IV, or 1–5–6m–4 in the displayed Nashville notation. Lowercase Roman numerals or m indicate minor. Compare patterns between keys rather than memorising only letters. Check the selected key: the same chord can represent another degree in a different tonal context.

How can I develop the four chords into a song?

Copy the progression into your notes or session. Try different durations, inversions and your own melody. Compare another mood in the same key for a second section. The output is deterministic: identical settings always produce identical chords. It is not random or AI-composed accompaniment, and it does not play audio. Audition the result with your instrument or music software.

Do I get new random chords every time?

No. The moods use fixed patterns. The same key and mood produce the same progression; change either setting to compare another starting point.

Why does A minor use Em rather than E?

The tool uses natural minor. Its fifth-degree chord in A minor is Em. E major requires another note collection and is not automatically substituted.

Can the generator play the progression for me?

No. It displays symbols and scale-degree notations. Use your instrument or music software to explore the progression's sound, rhythm and tempo.

Do these chords decide the melody and arrangement?

No. They provide a harmonic starting point. Melody, rhythm, register, voicing and form remain yours; the same chords can support very different ideas.