Musical counterparts of flats

SHARPS

["Think of the symbols that raise a note's pitch."]

The clue "Musical counterparts of flats" leads to the answer "SHARPS" through musical terminology. In music, "flats" and "sharps" are symbols used to denote that a note should be lowered or raised by a semitone, respectively. They are counterparts because they have opposite effects on the pitch of a note. Therefore, the "musical counterparts of flats" are "SHARPS."