Answer: tonerow

AnswerCrossword Clue
TONEROWChromatic-scale arrangement
TONEROWRange of pitches
TONEROWMusical modernist's building block
TONEROWNonrepeating pitch sequence
TONEROWTwelve-note scale, e.g.
TONEROWComposer's sequence
TONEROWIt has all 12 pitches of the chromatic scale
TONEROWSequence in music
TONEROW12-note series
TONEROWSerial music sequence
TONEROWPitch group
TONEROWChromatic set