Answer:

ossia

Answer	Crossword Clue
OSSIA	Easier version, in music
OSSIA	Easier version, in music scores
OSSIA	Alternate version, in scores

OSSIA	Or else, musically
OSSIA	Otherwise: Mus.
OSSIA	Or else: Mus. direction.
OSSIA	Or else, in music.
OSSIA	Alternative, in music
OSSIA	Or else, in music
OSSIA	Or, in a musical score
OSSIA	Direction to an alternative musical passage

OSSIA	Alternate passage, in a score
OSSIA	Alternate passage indicator, in a score
OSSIA	Alternative passage in music
OSSIA	Easier version indicator, in music scores