Answer: gclefs

AnswerCrossword Clue
GCLEFSStaff leaders?
GCLEFSFeatures of top-level staffs
GCLEFSScoring leaders?
GCLEFSHeads of staff?
GCLEFSThey may be put on the staff
GCLEFSSigns of treble
GCLEFSTreble symbols
GCLEFSSymbols near key signatures