AI music tools like Suno and Udio are only as good as the prompt you feed them. Vague in, generic out. This builder turns a loose song idea into a structured prompt — genre, mood, vocal, energy, tempo, structure tags, instrumentation and exclusions — the exact fields these models respond to.
Fill in what you know, copy the prompt, paste it into your AI music tool. Nothing is uploaded; the prompt is assembled entirely in your browser.
AI Song Prompt Builder
How to use it
- Pick the genre, mood, vocal type and energy closest to the record you hear in your head.
- Set a BPM if you know the tempo — it steers drum feel and pacing more than most people expect.
- Tick the structure tags you want the model to build around, and add instruments or a one-line topic.
- Dial Weirdness down for radio-safe output, up when you want surprises. Style influence controls how hard it leans on your genre tags.
- Copy the prompt block and paste it straight into Suno or Udio.
Best use cases
- Turning “something like a night-drive synthwave song” into a prompt that actually sounds like a night drive.
- A/B testing two prompts for the same idea — one safe, one weird — before committing studio time.
- Briefing a human co-writer: the same fields make a great creative brief.
- Recreating a reference track’s vibe without copying the reference.
- Genre plus mood plus BPM is the core trio — get those right and the rest is seasoning.
- Exclude styles is quietly the most powerful field: telling the model what you do NOT want removes most generic output.
- One concrete topic line beats five vague adjectives.
What good looks like
A good prompt reads like a briefing sheet a session musician could act on: one clear style lane, one clear mood, a tempo, a structure, and a specific subject. If you read your prompt back and cannot picture the record, tighten it before you generate.
Frequently asked questions
Which AI music tools does this work with?
It is written for Suno and Udio style prompts, where a short style description drives everything. The same fields — style, structure tags, exclusions — translate well to almost any text-to-music generator, so treat the output as a universal brief you can adapt in seconds.
Do you send my prompt anywhere?
No. The builder assembles text in your browser from the options you pick; nothing is transmitted, saved or logged. Copy it and paste it wherever you like — it is just text you authored with help.
Why does lower Weirdness sound more generic?
Low weirdness pulls the model toward its safest, most average output for that genre — technically correct, emotionally flat. Nudge it up in steps until the results get interesting, then back off one notch; that edge is usually the sweet spot between boring and unhinged.
Can I use the generated song commercially?
That depends on your AI tool’s own licence terms — check them before release. The prompt itself is just text; the song’s rights follow the platform that generated it. See the disclaimer.
My output is still generic — what now?
Add specifics: one instrument nobody expects in the genre, a concrete topic line, and exclusions for the genre’s most obvious clichés. Prompts fail from vagueness far more often than from the tool — one vivid detail changes the whole output.
Keep going
Pair this tool with the rest of the workshop: