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.
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.
Choose Key & Scale
Major, minor, modes, exotic scales - set the harmonic foundation.
Pick a Progression
Select from theory-based chord progressions or customise your own.
Generate Parts
Chords, melody, bassline, drums - each generated from musical rules.
Export MIDI
Download standard MIDI files, single or multi-track, for your DAW.
Explore chord progressions in 3D
Use Explorer when you want to browse harmonic movement visually, audition ideas quickly, and send the strongest ones into your workflow.
Visual harmony search
Explorer
Orbit through a galaxy of saved progressions, audition them fast, and pull the strongest harmonic ideas into the next step of your production process.
Finding usable chord movement without digging through menus.
Starts when you want arrangement ideas after choosing the harmony.
A faster shortlist of progression ideas worth building on.
Start with Explorer when you want to audition a lot of harmonic directions quickly. Move into Starts when you want melodies, basslines, and arrangement built around the chosen progression.
Orbit, filter, and audition progressions until something clicks.
Send the idea into the workbench or jump to Starts for fuller material.
Export or rebuild the idea in your DAW with a stronger harmonic starting point.
Browse Packs for downloadable progression ideas when you want material you can drag straight into a project.
Downloadable MIDI
Packs
When you want finished downloadables instead of browsing one idea at a time, Packs gives you ready-made MIDI collections built around usable harmonic material.
You want curated MIDI you can download immediately, then sort, flip, or combine in your own sessions.
Browse published packs by feel, key, or category.
Download a pack and drag the MIDI into your DAW.
Use Explorer and Starts when you want to go deeper or generate around the idea.
Free Music Theory Lessons
Learn chords, scales, rhythm, melody and more with interactive audio examples you can play in your browser.
Interactive, free, no sign-up needed.
Plugins
Downloadable VST3 plugins for mixing and sound design.
VIVISECT
Dual waveshaper for harmonic distortion and saturation.
Speaker Emulation
Headphone crossfeed based speaker emulation for mix referencing.
More plugins in development.
Questions & answers
Something else on your mind?
Get in touch