Studio Application 1
Beatmakers and songwriters who want immediate, characterful drum machines, 808/sub engines, and melodic instruments without multi-gigabyte sample loads.
Fat Berry DSP / Instrument plug-ins Buying Guide
Find the part before the preset.
Fat Berry DSP virtual instrument and drum machine plug-ins provide playable sound sources for rhythm sections, keys, brass, and melodic hooks. Explore Drum Berry, Fidelity and Mutant Brass in Free Pickings, or the paid EIGHT, FB-1080 and Brooklyn Zoo, in VST3 and AU. Drum Berry: A sixteen-pad drum instrument: synthesis machines plus a one-shot library. Fidelity: A drum instrument with one macro that moves through recorded mic perspectives. Mutant Brass: Turn a brass source into a playable hybrid instrument with a breath of its own. Choose an instrument for the part you need in the arrangement. A drum pattern has to work with the bass, while a keyboard layer may only need to fill the spaces around a vocal. Play a complete section before adding effects. Try a different kit or patch when the source fights the song, then use a few deliberate controls to finish it. Save that starting point so later arrangement changes are easy to compare without losing the original idea. Start free with Drum Berry, which is free to keep.
Written & tested by Rory Browne (Founder & DSP Developer) · Last updated:
Compare 6 instrument plug-ins
Use Cases & Fit
Who instrument plug-ins are for — and how to choose
Great production starts at the source. When your drum machine or virtual instrument already has the right transient envelope, fundamental weight, and harmonic character, mixing becomes effortless. Choose each instrument around the exact register and rhythmic space it needs to fill.
Studio Application 2
Producers seeking expressive keyboards, brass, and plucks that respond musically to velocity and MIDI automation.
Studio Application 3
Engineers who want instruments with direct on-panel tone shaping so parts sit in the mix with minimal external plugin chains.
At the desk
How do you choose and dial in instrument plug-ins?
Cast the musical role by octave register
Avoid choosing two instruments that fight for the same 200–500 Hz midrange chord register. Pair a sub-focused foundation (like LOW or EIGHT) with a midrange key/pluck (like Nana) and a focused top-end lead.
Test velocity and dynamic expression first
Play ghost notes at MIDI velocity 35 and accents at velocity 115. A responsive instrument changes timbre as well as volume, making programmed parts feel played by a human.
Sculpt note endings and release tails
In rhythmic tracks, when a note stops is just as important as when it starts. Shorten amp and drum decays so rests between hits create groove and bounce.
Use built-in tone controls before reaching for external EQ
Adjusting damping, drive, or filter cutoff inside the instrument shapes the sound per voice before polyphonic summing, which sounds cleaner than heavy post-EQ.
Signal-chain placement
Insert the virtual instrument on a MIDI/Instrument track, shape envelope and internal tone first, then follow with light bus compression or spatial send as needed.
Side-by-side specifications
Instrument plug-ins comparison table
The specifications below come from the published catalogue and release metadata. All licences are perpetual single-user licences (3 machine activations, 14-day full refund window).
| Plug-in | Price (USD) | Formats | OS Support | Best For / Sonic Role | Walkthrough |
|---|---|---|---|---|---|
| Drum Berry | Free ($0) | VST3, AU | Windows 10 or later, 64-bit (x86-64) · 11.0 | A sixteen-pad drum instrument: synthesis machines plus a one-shot library. | Watch demo ↗ |
| Fidelity | Free ($0) | VST3, AU | Windows 10 or later, 64-bit (x86-64) · 11.0 | A drum instrument with one macro that moves through recorded mic perspectives. | Watch demo ↗ |
| Mutant Brass | Free ($0) | VST3, AU | Windows 10 or later, 64-bit (x86-64) · 11.0 | Turn a brass source into a playable hybrid instrument with a breath of its own. | Watch demo ↗ |
| FB-1080 | $19.99 | VST3, AU | Windows 10 or later, 64-bit (x86-64) · 11.0 | A patch-based instrument with factory banks, expansion banks, chorus and reverb. | Watch demo ↗ |
| EIGHT | $9.99 | VST3, AU | Windows 10 or later, 64-bit (x86-64) · 11.0 | An eight-part drum synth, each part with its own kick, snare, hat or perc engine. | Watch demo ↗ |
| Brooklyn Zoo | $24.99 | VST3, AU | Windows 10 or later, 64-bit (x86-64) · 11.0 | A sixteen-pad drum synth with a record, crate, sampler and desk printing path. | Audio & specs ↗ |
How we test at -16 LUFS
Listening tests & common mix mistakes to avoid
Primary listening check
Mute all external insert plugins on the instrument track and listen against your drums and bass. Adjust the instrument’s own envelope and tone controls until the part carries the groove on its own.
Four-step studio audition checklist
- Audition across three octaves on your MIDI controller to find the sweet spot where the instrument speaks clearest in your key.
- Check phase and punch on kick and sub-bass hits against your master bus meter.
- Vary MIDI velocities across a four-bar phrase to confirm dynamic translation.
- Listen in mono to verify stereo room or chorus layers on the instrument stay phase-coherent.
Common mistakes when using instrument plug-ins
- Programming every MIDI note at velocity 100 or 127 and wondering why the groove feels stiff.
- Letting drum and bass instrument decay tails overlap across beat boundaries.
- Using heavy external EQ to fix a patch that simply needed to be played an octave higher or lower.
The tools
Instrument plug-ins, made by Fat Berry.
Each card links to current formats, controls, demos and the live price on its product page.
Instrument
Drum Berry
A sixteen-pad drum instrument: synthesis machines plus a one-shot library.
Hear and inspect Drum Berry ↗
Instrument
Fidelity
A drum instrument with one macro that moves through recorded mic perspectives.
Hear and inspect Fidelity ↗
Instrument
Mutant Brass
Turn a brass source into a playable hybrid instrument with a breath of its own.
Hear and inspect Mutant Brass ↗
Instrument
FB-1080
A patch-based instrument with factory banks, expansion banks, chorus and reverb.
Hear and inspect FB-1080 ↗
Instrument
EIGHT
An eight-part drum synth, each part with its own kick, snare, hat or perc engine.
Hear and inspect EIGHT ↗
Instrument
Brooklyn Zoo
A sixteen-pad drum synth with a record, crate, sampler and desk printing path.
Hear and inspect Brooklyn Zoo ↗In-depth technical guides
Related production & mixing guides
Studio notes
Read it, then hear it.
Frequently Asked Questions
Instrument plug-ins FAQ
Which Fat Berry DSP virtual instruments and drum plug-ins are free?
Drum Berry, Fidelity and Mutant Brass are completely free ($0 USD) in the Free Pickings collection, with perpetual 3-machine licences and Windows VST3 and Mac VST3 / AU installers.
Do Fat Berry DSP instruments require Kontakt or a third-party player?
No. Every Fat Berry DSP instrument is a self-contained native 64-bit VST3 and Audio Unit (AU) plug-in with zero external sampler dependencies.
How much disk space do Fat Berry DSP instruments use?
Because our instruments combine DSP synthesis and compact curated DSP/wavetable architectures rather than bloated multi-gigabyte sample libraries, installers are lightweight and load almost instantaneously.