Possible Clues:

• Old plucked instrument
• Old instrument designed for rest and play
• Exercise out of season on tracks to the old instrument
• It was instrumental in combining rest and play
• It used to be played for a year out of season
• An afterthought: change last noisy old instrument
• Player's trained to grip top of this musical instrument
• Instrument allowing different players to keep time
• Be inquisitive about least damaged instrument
• Ancient plucked instrument