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! dudon_nung-phan2.scl ! 7 tones from a Nung-Phan sequence (very low fifths, in theory 679.5604542 c.) 12 ! 3/2 169/150 5/3 37/30 27/20 2/1 3/2 169/75 5/3 37/15 11/6 2/1 ! Nung-Phan recurrent sequence x^4 = 10x - 10, Dudon 2009