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THOUGHTS ON IMPROVISATION: A COMPARATIVE APPROACH BRUNO NETTL BRUNO NETTL Search for other works by this author on: Oxford Academic Google Scholar The Musical Quarterly, Volume LX, Issue 1, January 1974, Pages 1–19, https://doi.org/10.1093/mq/LX.1.1 Published: 01 January 1974
Bruno Nettl (Tue,) studied this question.