
Pro-One Inspired Sound Bank for Fourm
An Interview with Drew Neumann San Francisco, CA — November 11, 2025— Sequential’s Fourm synthesizer is a modern powerhouse, but its roots trace back to some of the most iconic instruments in synth history. For our latest sound bank, Punch & Presence: Pro-One for Fourm, we asked veteran composer and sound designer Drew Neumann—known for his work on Æon Flux, The Wild Thornberrys and decades of synth programming—to create 40 presets inspired by the legendary Sequential Circuits Pro-One. While the Pro-One was a monosynth with a single voice, Fourm offers four voices of polyphony and a more refined architecture. This sound bank wasn’t about cloning the past—it’s about channeling the Pro-One’s DNA into something fresh and expressive. We sat





