Example 9. Beethoven, Piano Sonata Op. 7, movement iii, Trio
a) Sketch
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Supplementary notes:
Measures 1–4: The first melodic motion is on one level a neighbor, but has the effect of an interrupted passing motion, one that is completed in the following measures.
Measures 1–16: The overall upper voice for these bars is a textbook example of boundary play, the boundary here being the stepwise connection of to .
Measures 17–28: The large scale sixth progression from D from B is echoed briefly by the more figural downward sixth in measures 27–8 (which also restores the major dominant).