MIDI Designer for Producers

Design MIDI with
pure music theory

Pick a key & scale, choose a progression, generate chords, melody, bass & drums, then export MIDI straight to your DAW.

Keep produc.ing - free, royalty-free, no AI.

Starts - MIDI designer interface

Why producers use Starts

Unblock your workflow.

Beat block breaker

Stuck staring at an empty DAW? Generate a full arrangement in seconds and remix from there.

MIDI you actually control

Not a black-box - pick your key, scale, progression, and instruments. Tweak everything.

Idea generator

Use Starts to explore directions you wouldn't think of. New scales, new progressions, new rhythms.

No installs, no sign-up

Opens in your browser. Generate and export MIDI without creating an account.

Theory-driven

No AI models, no randomness. Every note follows established musical principles — scales, intervals, voice leading.

DAW-ready output

Standard MIDI files. Drop them straight into Ableton, FL Studio, Logic, Reaper — anything.

How Starts works

Four steps from idea to MIDI file.

1

Choose Key & Scale

Major, minor, modes, exotic scales - set the harmonic foundation.

2

Pick a Progression

Select from theory-based chord progressions or customise your own.

3

Generate Parts

Chords, melody, bassline, drums - each generated from musical rules.

4

Export MIDI

Download standard MIDI files, single or multi-track, for your DAW.

Build stronger chord progressions

Use the Progressions tool when the harmony comes first. Sketch movement fast, compare options, then carry the idea straight into Starts or your DAW.

Theory-led harmony

Progressions

Test chord movement, browse usable harmonic ideas, and shape the backbone of a track before arranging melodies, bass, or drums.

Use it for

Finding harmonic movement before writing parts.

Best with

Starts when you want arrangement ideas after locking chords.

Outcome

A stronger harmonic foundation with less guesswork.

Workflow

Start with Progressions when you want the chords to drive the idea. Move into Starts when you want melodies, basslines, and arrangement built around them.

1

Pick a progression direction and test the movement.

2

Open Starts to generate the rest of the musical material.

3

Export MIDI and finish the sound in your DAW.

Plugins

Downloadable VST3 plugins for mixing and sound design.

VIVISECT

Dual waveshaper for harmonic distortion and saturation.

Speaker Emulation

Headphone crossfeed for mix referencing.

Browse all plugins

More plugins in development.

Questions & answers

No. Everything is built on music theory algorithms, intervals, scale degrees, voice leading rules, rhythmic patterns. The results are deterministic and predictable.
Yes, core features are free. Premium options may be introduced to support ongoing development, but the essential tools will remain accessible to everyone.
Starts exports standard MIDI files (single or multi-track). Plugins are available as VST3, compatible with all major DAWs on Windows and macOS.
Completely. Everything you generate is yours, royalty-free, no restrictions. Use it in personal projects, commercial releases, or client work.

Something else on your mind?

Get in touch

Keep produc.ing

Your next idea is one click away.