Fountains

Tune oscillators 1-4 in unison. Create a polyphonic sequence with rests and play it at a slow tempo. Turn ATTENUATOR 1 to bring in the “second sequence” and ATTENUATOR 3 for the filter animation you want. Change the SEQ direction, and use ratchet and tie for variations.

Source: Matriarch Dark Patchbook (Moog), Fountains.