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  Turn any chord progression into new musical ideas instantly.

Chord transformation with SongEngine

The free chord progression builder and MIDI generator plug-in for all music producers.

✔ Free download.
✔ Works in all major DAWs.
✔ All content royalty free.

Have you ever struggled with writer's block when you wrote a track? Did the chords sound bland? Were the keys "somewhat OK", and the basslines only so-so?

You can leave all this behind. SongEngine generates MIDI files that follow your chords perfectly. Just drag, drop, and stay in your creative flow.

Comes with several built-in preset packages

How SongEngine works

SongEngine is very easy to use:

1. Build your chords
Import a MIDI file, drag chords from the Chord Pad Area, or let SongEngine generate a progression for you.

2. Pick a preset
Browse dozens of presets – basslines, arpeggios, phrases. Press play in your DAW to preview instantly.

3. Drag to your DAW
Like what you hear? Drag & drop the MIDI directly into your session. Done.

Watch SongEngine in Action

Here is a short quickstart tutorial for you:

 
 

What's inside

Free Chord Tools

  • Build chord progressions with Chord Pads via drag & drop.
  • Import any existing MIDI chords.
  • Dozens of chord progression generators for different moods & genres.
  • Easy-to-use chord progression builder.
Chord Progression Helpers

Keys Engine

Free Preset Packages

  • 60+ presets across multiple free packages.
  • Every preset auto-adapts to your chord progression.
  • Covers basslines, arpeggios, phrases & melodies.
  • Hand-selected presets for a wide range of common songwriting tasks.

Designed for Producers

  • No music theory knowledge required.
  • Instant inspiration: Turn simple chord progressions into complete musical ideas.
  • Genre-Agnostic: From Lo-Fi soul to Hard Techno — it always adapts to your chords.
  • Lightweight & fast – designed to keep you in your flow state.
Export MIDI


Whether you're a beginner just starting out or an experienced pro, SongEngine is for you. With built-in music theory, you'll be making great music in no time, even if you don't have a lot of experience.

Using SongEngine is like having a co-producer at your side that helps you create professional music faster than ever.

And for pros, SongEngine can help you explore new styles and get inspiration, as well as make standard tasks like creating basslines and pads faster and easier. Plus, you can try out multiple ideas quickly.

Fast workflow. Easy MIDI export.

SongEngine is designed to give you instant results within seconds. You can use preset categories and tags to find the right presets quickly.

The interface makes it easy to export the generated melodies as standard MIDI files, compatible with any DAW.

You can then work on the notes however you like. Use all the tools of your DAW to craft something completely unique - or simply leave the notes as they are.

Generated MIDI

There is also an optional mass-exporter available. When you click on the "Export" button, you can write hundreds and hundreds of generated phrases directly to a folder on your computer. The perfect way to build your own collection of ready-to-use MIDI files.

What Producers say

One of the best and easiest songwriting tools out there. Create a chord progression and it will automatically create hundreds of melodies in different genres. Mike Jones.
Wow!! What a great creativity booster!!! SongEngine is so fast and easy to use. With so many genre options, its easy to find part that fits with your groove. This is especially true because of the play back speed option which allows you to speed up or slow down the rate of play to help almost any part blend into your track. It’s super fun to mix and match until you create something new. It really helps break writers block. It creates instrumental parts that are incredibly musical and cinematic, but also does equally well when you need stronger parts for pop and dance tracks. Bill B.
Song Engine is a good to get your ideas started and is great for anyone wanting to get started in midi or for experienced musicians alike a program you will use regularly. JB.
Presets excellent, varied, useful. Works great in Fl Studio. Generator fantastic. Simple, nice work flow, rate 9 outa 10. Thank you!!!! @danielcairney5904 on Youtube
SongEngine is super easy to use and it does so much! It has a really simple and very intuitive interface and is the ideal plugin for composers, like me (as I play by ear and I don't know much music theory at all). This saves me so much time being able to easily audition chords, and arrange whole songs quickly section by section. [...] I can't recommend Song Engine enough and I've tried loads of others in the past, but this seems to suit me best for ease of use, flexibility and speed, combined with so many useful features. Thank you Hauke! Trev H.
SongEngine is a fantastic tool for quickly creating song sketches. It's simply a lot of fun and can then be easily processed further in a DAW (in my case, Cubase). Thanks a million! Andi H.


Compatible with all Major DAWs

Compatible with many DAWs

Windows compatibility: Works with Windows 7 / 8 / 10 / 11. 64 bit supported. VST2 + VST3 format

macOS compatibility: Works with macOS 10.13 and up. 64 bit processor (Intel or M1) required. AU, VST2 + VST3 format.

 

Expand SongEngine with Extensions

You can expand SongEngine with optional genre-specific extensions.

Each extension adds hundreds of new musical ideas and phrases.

Here are some examples where all chord progressions and melodies were generated with SongEngine and one of the extensions:

TranceEngine ChilloutEngine HouseEngine HipHopEngine

Frequently Asked Questions (FAQ)

Is it really free?

Absolutely! The core plugin is free forever. Extensions are optional add-ons.

Can I use the MIDIs commercially?

Yes. All generated MIDIs are yours to use, including in commercial releases.

Do I need to know music theory?

You don’t need any prior knowledge of music theory. SongEngine is designed for everyone, from beginners to pros. The plug-in automatically ensures all generated patterns stay in tune with your chord progressions, so you can focus on creating.

Does it work with my DAW?

SongEngine works as a VST3/AU plugin with all major DAWs.

Is this an AI tool?

No! All algorithms have been crafted from hand, based on the expertise of real human musicians.

I already own some MIDI packs. How is this different?

Unlike static MIDI packs, SongEngine dynamically generates MIDI patterns based on your chord progressions. This means the output is always tailored to your track, ensuring perfect harmony and originality. No more wasting time searching through mismatched files!


Download SongEngine

100% Free Core: The Engine and 60+ presets are yours forever.
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