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Figure 2. Mozart's theme and first variation on Twinkle Twinkle Little Star feature two monodic streams,
one for each voice, represented by the lines in the figure. In the string paradigm, motives are considered
as substrings of the monodic streams, and are represented here with thick lines. The notes forming the
occurrences of the reduced theme are circled.
Figure 3. Syntagmatic graph (both solid and dotted lines) suggesting the network of connections per-
ceived between temporally close notes. Occurrences of the reduced theme (whose notes are circled) are
modelled here as strings without gap, forming continuous chains in the syntagmatic graph.
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