Created on iPad with AUM, Hilda x2 , No input mixer x2, Noises, some fx too,
I recorded this in one take after setting this up in AUM.
Manual tweaking of sliders & modulations.
More on the 676th weekly Disquiet Junto project, Sub Melody — The Assignment: Bury a slow melody deep inside a drone — at https://disquiet.com/0676/