SORT-KEY_PROG-VEC-ANGLE

[GENERIC-FUNCTION]


OMPitchField
Function Reference
ARGUMENTS:
  - classreps list of PROG-CLASSREP expressions [default = (0 1 2 3 4 5 6 7 8 9 10 11)]
  - from-chord list of integers  
  - ref-from list of integers  
  - ref-to list of integers  
&optional
 
  - n modulus of the pc space [default = 12]

Description:


Returns a key function for sorting a list of chords based on
the angles measured from the progression vector of the pair
(REF-FROM REF-TO) to the progression vector of the pair
(FROM-CHORD <c>), where each chord in the list takes the
place of <c>. Progression vectors are calculated for the
intervals represented in CLASSREPS, which should be a list
of PROG-CLASSREP expressions with special syntax. For
more information, see PARSE-PROG-CLASSREPS and its
documentation.

The modulus of the pitch class space defaults to 12 but can
be set to other values via the optional parameter N.



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