Answer: soprani

AnswerCrossword Clue
SOPRANIMany operatic leads
SOPRANIThey have the highest ranges
SOPRANISills and others
SOPRANISome Italian singers
SOPRANIPrice and Bumbry
SOPRANIHigher-ups?
SOPRANISills, Price and others
SOPRANITetrazzini and the like
sopraniSOPRANO, the highest singing voice