Monday, October 14, 2013

Interval Permutations

Drew F. Nobile has written an article called "Interval Permutations" about how interval sequences can be permuted in order to produce different pitch class sets that are audibly related. Of particular interest is his example 18, a graph that depicts all of the possible relationships made by such intervallic permutation between tetrachordal set-classes. I have created my own version of this graph to emphasize the natural symmetry present:

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