Basilica Audio

Overture — how-to guide

Practical settings for the pre-amp tightening/boost stage, grounded in the factory presets.

Where it belongs

Overture is a pre-amp tightening/boost stage — the plugin equivalent of the small pedal a metal guitarist runs in front of a high-gain amp, not a distortion in its own right (though it can be pushed into being one). Its two jobs are separate and both matter: strip low end out of the signal before anything clips, so palm mutes and low-string chugs stay tight instead of turning into mush once the next stage's gain saturates them; and add a controlled, voiced drive character on top.

Typical use cases:

Quick-start settings

Tightening a drop-tuned rhythm part — Drop-Tune Tight

Tight 220 Hz, Drive 4 dB, Voicing Asymmetric, Bite 80%, Knee Soften 30%, Asymmetry 40%, Bite Tilt −10%, Mix 100%.

Tight is pushed well above the 100 Hz default because a drop-tuned low string carries useful fundamental further up than standard tuning — 220 Hz strips enough low end before the clipper that palm mutes stay articulate instead of farting out. Bite at 80% makes the clipper itself frequency-selective on top of that, so the small amount of low end that does reach it still clips less than the treble does.

Classic "808-in-front-of-an-amp" push — Classic Boost / Clean Push

Tight 100 Hz, Drive 1–3 dB, Voicing Asymmetric, Bite 65%, Knee Soften 40%, Bite Tilt 0%.

This is the best-documented version of the technique: drive is kept near zero and the clipper barely engages — Level and the amp's own gain stage do the actual distorting. Start here before reaching for more Drive; it's the reference behaviour the plugin was voiced around.

Own-distortion / fuzz-adjacent lead — Own Distortion, Fuzz-Adjacent Lead

Own Distortion: Tight 120 Hz, Drive 22 dB, Voicing Hard Clip, Bite 40%, Knee Soften 60%, Bite Tilt +10%. Fuzz-Adjacent Lead: Tight 150 Hz, Drive 30 dB, Voicing Hard Clip, Bite 25%, Knee Soften 70%, Bite Tilt +25%, Level +3 dB.

Hard Clip has no soft knee of its own at any Drive level — Knee Soften is doing real work here, rounding what would otherwise be a straight clamp. Pushed this hard, Overture stops being a tightening stage and becomes the main distortion source, which is a legitimate, supported use, just a different character from the presets above.

Programme-level circuit clipper — Circuit Drive

Tight 120 Hz, Drive 12 dB, Voicing Feedback, Bite Amount/Knee Soften inert, Asymmetry 25%, Bite Tilt −8%, Level −9 dB.

The Feedback voicing runs hot by construction (see the theory box below) — this preset's −9 dB Level trim is the vetted starting point, not an arbitrary choice. Start from here rather than from your current patch if you're auditioning this voicing for the first time.

Parallel/blended rhythm tone — Parallel Grit

Same core settings as Classic Boost, but Mix 35% instead of 100%. Blends a small amount of tightened, driven signal under a clean DI for a hybrid tone rather than running Overture fully in the chain.

Recipes

  1. Drop-tuned chug tightening. Tight 180–220 Hz, Drive 4 dB, Voicing Asymmetric, Bite 80%, Gate on with Threshold around −45 to −50 dB and Release on Auto. Why: raising Tight this far strips low end before Tenebrae's own cascade has a chance to saturate it into mud on a low string; the built-in Gate (front of the wet chain, zero added latency) keeps hum and hiss from ever reaching the clipper in the first place.
  1. Lead boost with a distinct character from the rhythm tone. Start from Fuzz-Adjacent Lead (Tight 150 Hz, Drive 30 dB, Hard Clip, Bite Tilt +25%), then back Drive off if it feels brittle rather than reaching for more Bite Tilt first. Why: positive Bite Tilt brightens above the ~3 kHz corner — useful for a lead to cut through a dense mix — but a clipper driven this hard is already generating plenty of top end on its own; taming Drive first keeps the brightness intentional rather than harsh.
  1. Own-distortion rig into a clean amp. Own Distortion or Fuzz-Adjacent Lead as the starting point, Voicing on Hard Clip, Level pulled down to compensate for the extra gain. Why: Hard Clip is the brightest and most aggressive of the memoryless voicings — closer to a fuzz/comparator-style clip than the amp-pushing Asymmetric voicing — which is what makes it work as a standalone distortion rather than just a boost.
  1. Touch-sensitive circuit drive. Circuit Drive preset as a base (Voicing Feedback, Level −9 dB), then ride Drive with your picking dynamics rather than a static setting. Why: the Feedback voicing solves an actual feedback loop sample-by-sample rather than evaluating a fixed curve, so its gain, knee and high-frequency rounding all move together with how hard you hit it — a fixed transfer curve can't reproduce that touch response at any oversampling factor.
  1. Parallel blend under a clean DI. Parallel Grit as a starting point (Mix 35%), Tight and Drive as in Classic Boost. Why: a blended tone needs its own gating done elsewhere — Overture's built-in Gate only ever acts on the wet path, by design, so the dry signal you're blending in underneath stays fully audible between notes.

Theory — why a circuit-solved clipper behaves differently from a transfer curve. Most clippers, including three of Overture's four voicings, evaluate a fixed input-to-output shape: feed in a sample, get out a shaped sample, with no memory of what came before. The Feedback voicing is built differently — it integrates the actual op-amp/diode/RC feedback loop equation once per sample, using the same numerical method (trapezoidal rule with Newton iteration) an engineer would use to solve a real circuit offline. The practical difference is memory: a small feedback capacitor puts a drive-dependent low-pass pole inside the nonlinearity itself, so the stage's gain, its knee, and its high-frequency rounding all shift together with where Drive sits and how hard the signal is hitting it. No memoryless waveshaper — no matter how finely you tune its curve — reproduces that, because the curve has no concept of "a moment ago."

Pitfalls