Christian Alexander Launches SingleGrain Granular Synth Plugin for Sound Designers

For anyone sitting on a hard drive full of Juno-106 or JX-3P recordings treated as static samples, SingleGrain closes a very specific gap. Christian Alexander, who performs as Zygon and runs the Abyssal Cartel music collective, released the granular synthesizer on April 2 through his company LuvNote LLC, and the pitch is unusually precise: grain-level deterministic control for repeatable results, not the probabilistic chaos that has made granular synthesis both fascinating and frustrating since Curtis Roads first implemented it on a computer in 1974.

Roads's earliest renders, to put the timeline in perspective, took weeks to produce a single minute of mono audio. Barry Truax's 1986 breakthrough on the DMX-1000 Signal Processing Computer made real-time granular synthesis physically possible, and the commercial VST wave followed decades later. But the field retained a reputation for unpredictable results. SingleGrain's architecture explicitly pushes back against that.

The quickest demonstration of what that means in practice: load a single sustained Juno or JX note into SingleGrain's built-in sample recorder directly from your DAW session, no bouncing required. Set grain length to roughly 80 milliseconds, push density to the midpoint of its range, then engage Lock Position mode. That feature pins the read head while individual grains continue cycling independently, producing the smeared, early-digital shimmer that Fairlight CMI freeze artifacts made iconic. From there, assign LFO 1 to playback position using a slow sine curve, map LFO 2 to grain density, and bind both destinations to a single macro knob. One slow turn moves that pad from tight vintage-digital stutter to wide atmospheric cloud. The whole setup takes under 60 seconds.

Those eight macro knobs, each capable of sweeping multiple modulation destinations simultaneously, are designed for live performance and automation rather than static patch design. The full architecture adds a 32-slot modulation matrix, three LFOs, a built-in single sideband frequency shifter, which offers more precise frequency movement than a standard pitch shifter, tempo-sync, an arpeggiator, and step modulation.

"SingleGrain is the culmination of that work," Alexander wrote in his launch announcement. "Every line of code, every feature, and every preset was developed by me personally."

That includes all 121 factory presets across nine categories: Loops, SFX, One Shots, Downlifters, Risers, Subs, Sustains, Riddim Delay Fills, and Vocals. Alexander is also inviting community preset submissions by email, flagging them as potential inspiration for future updates, a relatively rare level of direct engagement from a solo indie developer.

The plugin launches into a competitive granular VST landscape that reviewers have called "richer and more diverse than ever" in 2026, with Steinberg Padshop 2 shipping over 570 presets and Steinberg HALion representing the deep end of granular power. At $20 through April 8 and $29 thereafter, SingleGrain ships as both VST3 and Audio Units for Windows and macOS, positioning itself as the indie alternative built by one person under one company.

The theory behind every granular engine in commercial use traces back to Iannis Xenakis, who formalized the concept around 1959 to 1962 in works including Concret PH and Analogique A-B and documented it in Formalized Music. Roads attended Xenakis's lectures at Indiana University in 1972 before making that first computer implementation two years later. It took another half-century for the tools to reach this price point.