The West Coast answer to subtractive synthesis: instead of a rich wave carved down by a filter, start with a plain sine and add harmonics by folding it. Push the level past the rails and, rather than clipping flat, the signal reflects back on itself — each fold injects a new burst of overtones. A low-pass gate (the Buchla touch) then couples brightness to loudness: louder notes open the filter, so timbre and dynamics move together. Ride fold to hear the harmonics pile up.
The gate tracks the amp envelope: brightness rises and falls with the note.
play with your keyboard (a s d f …) or click the keys