Slimy tunes

Here's another free idea for composers adapted from natural science:  it turns out that slime molds can discover efficient paths through complex networks, subway systems, for example (read here, in German).  How about using slime mold paths to design melodies?  Melodies have at least two dimensions of movement (in absolute pitch and in pitch relative to harmonic references), so there is some similarity to networks like subways.  How important an efficient path may be, however, may vary with your aesthetic purposes.

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