Reactional Composer

An interactive DAW running in your game. The future of game music.

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Drag Drop Workflow

Auto convert your DAW session.

Ableton Logo
Bitwig Logo
Cubase Logo
Reaper Logo
Studio One Logo

Musical Design

Add unprecendented musical interactivity.

Per instrument, per note. Tempo, scales, chords, rhythms.

Export directly to game.

Test your interactive music immediately. Super simple game API.

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Note
by
Note

Reactional is a procedural playback system for interactive music.

When played back in a game, your music will respond to the player's actions in real-time. Each note in the composition can be controlled individually, allowing for a high level of interactivity, of which you have never experienced before.

Use your favorite DAW, your own VST3's, and export to any game engine and platform.

Hyper interactive plugins.

Control your music on a granular level.

speed

Scale Tempo

music_note

Change Key

shuffle

Change Chords

tune

Instrumentation

waves

Pitch Deviation

blur_circular

Change Rhythms

volume_up

Scale Dynamics

graphic_eq

Change Timbre

swap_horiz

Change Form

texture

Change Texture

library_music

Switch Harmony

edit

Affect Melody

compare_arrows

Modal Transpose

trending_flat

Chromatic Transpose

equalizer

LPF

volume_up

Volume

surround_sound

Panning

open_with

Stretch Ranges

sync

Swing

grid_on

Force Quantize

shuffle_on

Note Probability

Stingers

Intelligent Stingers.

Compose a Stinger or a Leitmotif, once, in a single chord/key.

Reactional will automatically transpose and adapt it to any key or chord progression in your game.

Malleable.

Played back live, the music is completely fluid.

At any point you can even override an instrument playing.

Map it to player actions, and have them actually perform these instruments.

Analysis

Music that actually adapts.

Not only will the music perfectly follow the game action. It will also adjust key and tempo to play along to any recorded music.

All music in the Reactional Music Catalogue has undergone a music analysis. This means your interactive composition will always be in tune and in time with any external track. Browse and combine with millions of tracks, or upload your own.

Interactive music in 2 minutes

Go from DAW to game in less time than it takes to make a cup of coffee.

Composing Procedural Music

Tutorial: Learn how to compose for Reactional playback.

Designing musical interactivity

Tutorial: Learn the basics of Reactional Composer.

Get Composer

Binaries for Win, macOS and Linux available on the Reactional Platform.

Download Here

Frequently Asked Questions

Composer is free to use. In order for a game developer to use the interactive theme in their game, they need to purchase a Reactional license.

Yes, but only VST3 plugins are supported. Most plugins work well, but there are so many out there that we can't guarantee compatibility with all of them. Please let us know if you have any issues. When rendering into Composer all audio is packaged into an encrypted monolithic file format, which mean that the sounds used can not be used outside of this specific composition.

Ableton Live & Reaper natively; Cubase 14, Studio One & Bitwig via DAWProject export. We're working on adding more DAWs.

Yes, the system generates callbacks for all events in the interactive theme. These can be used to trigger events in the game engine. Note ons, note offs, chord changes, tempo changes, etc.

By using a music analysis pipeline, all music tracks available for licensing through the Reactional Platform have extensive musical metadata. This metadata is used to allow the interactive theme to adapt to the key and tempo of said music.

Currently we only support MIDI tracks. Technically you can import audio tracks, but the composition would then be locked to the key and tempo of the audio track. You can of course use audio tracks uploaded to the Platform and have the theme play along and adapt to those.

Yes, you will soon be able to sell your interactive themes on the Reactional Platform marketplace. You can also sell your interactive themes on your own website or other platforms.