Answer: octaves

AnswerCrossword Clue
OCTAVES

Harmonic combinations

OCTAVES

Scales span them

OCTAVES

Range divisions

OCTAVES
Range components
OCTAVES
Noted series
OCTAVESA piano has seven of them
OCTAVESMusical series
OCTAVESStaff sizes?
OCTAVESSome exercises
OCTAVESParts of sonnets
OCTAVESSingers often have two
OCTAVESTwelve-half-step intervals
OCTAVESSonnet sections
OCTAVESPiano notes
OCTAVESGroups of eight.
OCTAVESIntervals in music.
OCTAVESStanzas of eight lines.
OCTAVESScale ranges
OCTAVESB to B, etc.
OCTAVESEight-line verses
OCTAVESMusical intervals