Unison Bass Dragon [WiN-MAC]

• Product: Bass Dragon
• Developer: Unison Audio
• Version: 1.4.46
• Format: Standalone, VST, VST3, AAX, AU
• Requirements: Windows 10 or later, macOS 10.15 or later
• Source: unison.audio/bd-special

Bass Dragon is a generative bassline and 808 plugin from Unison, producing a new pattern from a chosen genre and key across 30 genres plus a genre-fusing “???” option. Generated patterns drag into a DAW as audio or MIDI, pair with a genre-matched synth preset or a sampler loaded with dragged-in one-shots, and pass through a piano roll and nine effects — Mangle, Destroy, Bitcrush, Phase, Chorus, Flange, Echo, Space, Verb — before leaving the plugin. AI chord detection matches generated basslines to an existing MIDI chord progression’s root notes.

Key Takeaway

The core value is genre-driven bassline generation with automatic chord-following and a built-in synth, sampler, piano roll, and effects chain for finishing a pattern without leaving the plugin. Bass Dragon sells as a one-time $67 payment or an eight-month rent-to-own plan; missing a rent-to-own payment pauses the license and stops the plugin from functioning until it’s resolved.

Genre and Key, Dragged Straight Out

Bass Dragon generates a bassline or 808 pattern from two selections — genre and key — across 30 genres, plus a “???” genre that fuses elements from all 30 together rather than following any single genre’s conventions. Pressing generate produces a new pattern from that combination each time rather than pulling a fixed result from a browsable list.

A generated pattern drags directly into a DAW project in either audio or MIDI format, or exports for later use — MIDI export keeps the pattern editable inside the host’s own piano roll after leaving Bass Dragon, while audio export commits it as a rendered file.

Root Notes Come From MIDI, Not Audio

Dragging a MIDI chord progression into Bass Dragon triggers automatic chord detection, and the generated bassline follows the root notes of that progression rather than running independently of the harmony already in a project. A set of pre-made stock chord progressions is available as well, for building a bassline before a chord progression exists yet.

Chord detection specifically reads MIDI data — an audio recording of a chord progression, without a corresponding MIDI file, doesn’t feed into the detection process the same way, so an already-recorded audio chord track needs a MIDI version alongside it for Bass Dragon to follow its root motion.

Six or Seven Presets Per Genre

A built-in synth loads one of 200 factory bass presets alongside each generated pattern, matched to the selected genre, with macro controls on every preset for reshaping the tone without digging into deeper synthesis parameters. Presets aren’t limited to their originally generated pattern — scrolling through the library and mixing different presets against different generated patterns works the same as browsing any preset browser.

Spread across 30 genres, 200 presets averages to roughly six or seven presets available per genre rather than the full 200 being accessible to any single generated pattern. A sampler alongside the synth accepts dragged-in one-shots or 808 samples, so an external sound replaces the internal synth entirely when a specific sample is preferred over a generated tone.

Nine Effects Baked in Before Export

A built-in piano roll edits a generated pattern’s notes directly, with velocity adjustment, quantizing, and swing parameters available on top of standard note editing — reshaping a generated bassline’s feel without leaving Bass Dragon for the host DAW’s own MIDI editor.

Nine built-in effects — Mangle, Destroy, Bitcrush, Phase, Chorus, Flange, Echo, Space, and Verb — sit downstream of the synth and sampler, covering saturation, distortion, modulation, and space in one signal chain. Applying those effects happens before a pattern leaves the plugin, so a bassline dragged out as audio carries that processing baked in rather than needing it reapplied afterward in the DAW.

Miss a Payment, Lose the Plugin

Bass Dragon sells as a one-time $67 payment, as eight monthly rent-to-own payments of $29.99 totaling $239.92, or through Unison’s Plugin Pass at $19.99 a month for access to all eight Unison plugins together rather than Bass Dragon specifically, with a 7-day free trial before billing starts.

The rent-to-own plan costs $40 more than the one-time payment across its eight installments, and if any single monthly payment fails, the license pauses and Bass Dragon stops functioning entirely until that payment goes through — a producer on the rent-to-own plan depends on every monthly charge succeeding to keep using the plugin, unlike the one-time purchase, which has no ongoing payment tied to continued function.

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