delete diatonic-pitch (as was) Delete the diatonic-pitch class, in preparation for MIPS pitch being our single representation. Add a DIATONIC-PITCH-OCTAVE generic, and make OCTAVE return the octave based on a MIDI-PITCH-NUMBER (and make sure that it returns an integer, too). darcs-hash:20070726121235-dc3a5-4cbd1058145163eecbfc84384234904e2353fead.gz