The sound material is that of a metal object scraped anda marble in a bowl (along with a mysterious mechanicalmachine that makes such interesting sounds as it moves.
(a mysterious mechanicalmachine; makes; such interesting sounds; T:as it moves) (it; moves; ) (The sound material; is; that of a metal object)
a mysterious mechanicalmachine it The sound material
makes moves is
such interesting sounds T:as it moves
that of a metal object