The making of Sequential’s all-analog, polyphonic, expressive Fourm

Sequential’s new Fourm is a 4-voice polysynth with an all-analog signal path and polyphonic aftertouch and a price under a grand. To pull it off, Sequential designed an all-new expressive keybed and adapted their signature analog circuitry from the Prophet-5 (and Prophet-10). I spoke to Sequential about their instrument and the engineering that made it all happen.

Daedelus and Takuma Matsui talk Tinge, a painterly color wheel arpeggiator

There’s no grid, no harsh colors. Tinge swells and sways like a windchime, coming to life in spinning color wheels. It’s probably nothing like any arpeggiator you’ve seen before — or maybe it’s a “note agitator.” Co-creators Daedelus (Alfred Darlington) and Takuma Matsui (Rainbow Circuit) take us inside the process of how they created and thought about this new generative, responsive, playable melodic delight.

Peter Kirn - September 13, 2025

Happy 20th to Imogen Heap’s Speak for Yourself

Imogen Heap is always up to exciting new things, but let’s take a moment to celebrate 20 years ago. Her landmark Speak for Yourself turns 20, and it’s getting. a proper part with a vinyl release (at last), a remaster, and even the chance to listen to “Hide and Seek” in Spatial Audio on Apple Music. Good timing, too: the TikTok generation has made “Headlock” a surprise second smash from this album. Now the full record gets a second life.

Peter Kirn - July 18, 2025

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