Figure 7.3.2. (a) Haydn's E minor Piano Sonata, Hob. XVI/34, mm. 72-75 (b-c) The “down a third, up a step” sequence in Fauré@rsquos; Pavane, mm.2-5 and Bach’s Bf two-part invention, mm. 15-16 (bottom). (d) The “down a third, down a third, down a fifth7rdquo; sequence in the D major fugue from Book I from Bach’s Well-Tempered Clavier, mm. 9-10.