W. A. Production’s MIDI generator InstaComposer 4 is 76% off at Plugin Boutique: $29.90 instead of $129 (USD). The product page says the offer runs until November 1.
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The deal
| Product | Regular price | Sale price | Discount | Ends |
|---|---|---|---|---|
| InstaComposer 4 | $129 | $29.90 | 76% off | Nov 1 |
Prices are in US dollars as shown on Plugin Boutique, checked on October 24, 2026. The discount and end date come from the Plugin Boutique product page. Taxes, fees and availability can vary by country, so check the checkout page.
Where to buy
- InstaComposer 4: View at Plugin Boutique

What is InstaComposer 4?
InstaComposer 4 is a MIDI-generating plug-in from W. A. Production. It creates MIDI for melodies, riffs and rhythms, up to complete songs, using rules, algorithms and adjustable parameters. The manufacturer describes it not as handing your music over to AI but as a creative co-pilot that helps you explore ideas (per the manufacturer).
Plug-in formats are AU, AAX and VST3 (per the manufacturer). The Plugin Boutique page also mentions separate discounted upgrades for owners of InstaComposer 3.
Features
A reworked engine: MIDI Engine 2.0
The generation engine has been reworked. The manufacturer says the Melody, Ostinato, Chord, Rhythm and Drums modes now have better rhythmic feel, pitch selection, timing and musical cohesion (per the manufacturer).
New modes: Arpeggiator and Rhythm V2
An arpeggiator and a new rhythm generation mode are added. Full-song generation is described as more varied and cohesive, with chord progressions that sound more intentional (per the manufacturer).
Foliage, groove and humanize
Foliage adds complementary notes that grow from your main melody, from subtle to dense. New groove controls are Syncopation, Gallop, Density, Burst and Congestion, and Humanize adds variation to timing and velocity (per the manufacturer).
Built-in instruments and mixer
It includes an acoustic piano and a General MIDI-style instrument collection, so you can hear results without routing to another plug-in. You can also load SoundFont (SF2) files, and an integrated mixer has reverb and delay (per the manufacturer).
Core features
One-click songs (intro, verse, chorus, bridge, outro and more), up to 6 tracks with up to 8 scenes per section, chord and scale analysis of MIDI, MIDI import and export with drag and drop into your DAW, and presets from InstaComposer 1, 2 and 3 can be loaded (per the manufacturer).
After you buy: installation and activation
This is the general flow for products bought at Plugin Boutique. Activation differs by product (serial number, a manufacturer account, iLok and so on), so check the instructions in your library after purchase.
- Log in to your Plugin Boutique account and find the product in “Library”.
- Download the installer (you can switch between the Windows and Mac versions). Depending on the product, you also get a serial number, an unlock code or a key file.
- Product-specific steps are under “…” → “Installation Instructions” next to the product in your library, and also near the bottom of the product page.
Before you buy
- The end date is the one shown on Plugin Boutique. Offers can change, so confirm on the product page before you buy.
- Check the supported operating systems, plug-in formats (VST3, AU, AAX and so on) and the licensing method on the product page before buying.
Where to buy
- InstaComposer 4: View at Plugin Boutique


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