It's been a while since I tested and APRS moultes moultes and testing, bte matriser is really difficult.
The continuous feedback loop, harmonics and DIFFERENT passages of notes, still happening, but the make-up as a timber (eg of the cassette sold with) ... l?!?
It's a gadget, which is certainly INTERESTED, but still less gadget to make it specially ... I devote myself prfre guitar.