Several tools exist for real-time orchestration — splitting chords, routing to multiple instruments, and creating full arrangements from single performances. Here's how the options compare.
Real-time orchestration tools sit between your MIDI keyboard and your sample libraries. They solve a common problem: you want to hear a full orchestra, but playing each part separately is slow and doesn't capture the feel of performing.
The core features most tools share:
Use your DAW's built-in MIDI routing to split keyboard zones or use multiple tracks.
Best for: Composers who want complete manual control or are just splitting keyboard ranges.
Tools that come with prepared orchestrations — load a preset and start playing immediately.
Best for: Composers who want instant results and are comfortable using prepared orchestrations.
Tools designed to help you understand orchestration by experimenting with voicings and routing. filament falls into this category.
Best for: Composers who want to understand why voicings work and develop their own orchestral voice.
Free options like MIDIPolyphony or DAW-specific scripts that handle basic chord splitting.
Best for: Composers trying the concept before investing in a full solution.
| Factor | Manual | Preset-Driven | Exploration | Free Basic |
|---|---|---|---|---|
| Setup Time | High | Low | Medium | Low |
| Learning Curve | Steep | Gentle | Medium | Gentle |
| Flexibility | Total | Within presets | High | Limited |
| Educational Value | Yes (hard way) | Limited | High | Some |
| Cost | Free | €€€ | €€ | Free |
Divisimate is a well-established orchestration tool. Here's how filament compares for composers evaluating both options:
| Feature | filament | Divisimate 2 |
|---|---|---|
| Price | £149 one-time | €249 one-time |
| Entry Option | Full version only | Divisimate Core €149 |
| Max Instruments | Up to 64 per DAW track | Up to 512 total |
| Voice Layers | 8 per keyswitch | 1 |
| Keyswitches | 12 instant configurations | Preset-based switching |
| Built-in Instruments | Hosts AU/VST3 internally | External routing only |
| Chord Revoicing | Intelligent algorithmic revoicer + note-through | Basic note-through routing |
| Arpeggiator | Per-row phrase arpeggiator | Arpeggiator plugin included |
| MIDI Clip Launcher | Built-in with reharmonization | Multipads feature |
| Preset Library | 200+ orchestration presets | 200+ orchestration presets |
| Platform | macOS, Windows | macOS, Windows |
| Plugin Formats | VST3, AU, Standalone | VST3, AU, AAX, Standalone |
filament is built for composers who want to understand orchestration, not just produce orchestral sounds. Our philosophy:
Route the same chord three ways. Listen. Discover what sounds like you.
Hear why certain voicings work. Build real understanding.
Every algorithm is transparent. Override anything.
£149 perpetual. No subscription. Yours forever.
There's no single "best" orchestration tool — it depends on how you work:
Start building full arrangements from a single keyboard.