Answer:

mosso

AnswerCrossword Clue
MOSSOMeno ... (less rapid, in music)
MOSSORapid, to Rossini
MOSSOMeno ..: not as fast, in music
MOSSOMeno .. (less rapid)
MOSSORapid: Mus.
MOSSORapid, to Rachmaninoff
MOSSORapid: Music.
MOSSOAnimated, in music
MOSSORapid, to Mehta
MOSSORapid, in music
MOSSOQuickly in music