PRESS·HIT
Prompt craft · Guide

The anatomy of a production brief

Updated May 21, 2026

A production brief is just a prompt with its parts named. When you think of a prompt as a stack of fields rather than a sentence, it becomes obvious what's missing — and missing fields are exactly where a generator inserts its boring defaults. Here's each field, what it controls, and how to fill it.

Tempo

The single highest-leverage field. Tempo sets the whole feel before any instrument is chosen. Give a number, and if the feel is half-time or double-time, say so explicitly ("140 BPM, half-time feel") — otherwise the model picks a default groove for that number.

Instrumentation

Name the two or three instruments that define the palette, as specifically as you can. "Keys" could be anything; "Rhodes electric piano with chorus" is a decision. You don't need to list everything — name the anchors and let the model fill the supporting cast.

Groove and feel

How the rhythm sits. Swung or straight, ahead of or behind the beat, four-on-the-floor or broken. This is where a track gets its body language, and it's the field people most often skip — leaving the model to quantise everything stiffly.

Vocal direction

If there are vocals, brief them like a session singer: gender or register, delivery (breathy, belted, half-spoken), single- or double-tracked, and what they're about in one phrase. If there are no vocals, say "instrumental" — otherwise many tools add a vocal you didn't ask for.

Mix character

The tonal fingerprint: warm and mid-forward, bright and airy, dry and close, tape-saturated. Mix language quietly does a lot of the genre work — "treble rolled off, vinyl crackle, plate reverb" reads as lo-fi without you naming the genre at all.

Arrangement and energy

Does the track build to a chorus, stay on a loop, or breathe in and out? For dancefloor styles, specifying structure ("long intro for DJs, 32-bar groove, 16-bar break") stops the model defaulting to a verse/chorus pop shape that doesn't fit.

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Frequently asked

Do I need to fill every field?

No. Fill the ones you care about and the ones the model is likely to get wrong (usually drums, mix, and vocal presence). Leaving a field open is fine — just know the generator will choose for you there.

What order should the fields go in?

Lead with tempo and instrumentation, then groove, vocal, mix, and arrangement. Front-loading the structural decisions helps both you and the model keep the brief coherent.