a. Mozart’s Piano Sonata K. 333, first mvt., mm. 1–4




b. Skeletal analysis of the melody in 6b




c. The melodic connections shown in 6b taken as a whole are not hierarchical




d. When split into voices, the connections in 6b make well-formed hierarchies




e. A single-voice hierarchy for 6b includes intervals of unfolding, but excludes most of the inner-voice connections