Tunary Instruments has released REHEAT, a generative bass instrument built as a writing tool first and a synth second.
Pick one of ten genre grooves, press New LINE, and REHEAT composes a bassline from a real chord progression — root on the change, chord tones on the beats, passing notes between, and a chromatic approach into the turnaround. A single bar is written as a cell and then replayed against each chord, so the result repeats and becomes a hook rather than wandering the way step-randomisers do.
The line then drags straight out of the plugin as MIDI, onto any track, to be played by whatever bass instrument the producer already owns. The built-in three-layer bass engine — clean sub, detuned body and driven top through a cascaded 24dB/oct filter with saturation between the stages — is there to audition the part, not to replace the user’s own sound.
REHEAT can follow an external kick: routed a drum bus, it corrects its phase to the beat without restarting the pattern. It also follows the host’s time signature rather than assuming 4/4.
The sound engine and the composer are entirely algorithmic — no AI, no trained models and no generated audio.
Pricing & Availability
REHEAT is available for $49 for macOS and Windows in VST3 and AU plugin formats. A full-featured demo runs in the browser with no download.
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