45+ analog and modular synth drones and evolving chord pads formatted as PortaTron Cassettes — tempo-free, 60+ second loops across 40+ cassettes with up to 4 tracks each. Inspired by Alessandro Cortini's 4-track layering technique. 700+ MB.
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Listen before you buy
Distant shores d dramatic minor aetherflow preset demo
Lost city e minor aetherflow preset demo
Dream weaver f m maj7 aetherflow preset demo
Gossamer wings g dim aetherflow preset demo
Faded signals c add 9 aetherflow preset demo
Astral plane f dramatic minor aetherflow preset demo
Deep resonance abmaj7 aetherflow preset demo
Analog dream bbm maj7 aetherflow preset demo
Ground swell b minor 7th aetherflow preset demo
Inner peace gmaj7 aetherflow preset demo
"ANOTHER STUNNING ADDITION TO THE PORTATRON PRESETS COLLECTION. FANTASTIC AUDIO FIDELITY FOR LAYING SOUNDSCAPES AND ETHEREAL MOOD SETS WITH EASE. I'LL BE RETURNING TO THIS MANY TIMES."
CUSTOMER - PAUL BEAUDOIN
The collection
AetherFlow is a PortaTron cassette pack built around a specific technique: layering slow-moving analog and modular synth drones across Portatron's 4-track architecture to build evolving chord structures that breathe and shift without a fixed tempo anchor. The approach is directly inspired by Alessandro Cortini's 4-track work — using the cassette format not as a playback device but as a compositional instrument. The 45+ textures are organized across 40+ cassettes, each with up to 4 tracks of complementary material. The loops run 60 seconds or longer and are not tempo-locked, which means they work equally well as underscoring material, ambient bed textures, or as the harmonic foundation of a more structured arrangement. Source material is exclusively analog and modular synthesis — no digital shortcuts in the signal chain. The result is chord movement that has genuine weight and warmth rather than the thin, static quality of most pad packs. 45+ textures. 40+ cassettes. 700+ MB. Formatted for Robotic Bean's Portatron. Also available as WAV.
What's Included
45+ analog and modular synth textures — 40+ PortaTron cassettes with up to 4 tracks each
Tempo-free evolving chords — loops run 60+ seconds, not BPM-locked
Inspired by Alessandro Cortini's 4-track layering technique
700+ MB — exclusively analog and modular source chain
Tech specs
FAQs
SonalSystem offers audio content born from years of experience with top artists, not mass-produced sounds. Founder Allen Morgan's work ranges from Taylor Swift to Nine Inch Nails. Expect expertly crafted, high-quality sound libraries.
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