a. Burlesca, mm. 1–8, from J.S. Bach’s Partita no. 3




b. Generation of the upper voice of 8a begins with a simple counterpoint in parallel thirds




c. An unfolding transformation applied to the counterpoint in 8b, with one repeated note




d. The unfolded line of 8c with a linear progression added




e. A voice added in counterpoint to 8d




f. An unfolding transformation of 8e with passing tones added