Answer: pianokeys

AnswerCrossword Clue
PIANOKEYS"Ebony and Ivory," literally, in the song
PIANOKEYSThey activate hammers
PIANOKEYSBlack-and-white music makers
PIANOKEYSParts of a spinet
PIANOKEYSUpright features
PIANOKEYSThere are typically 88