Possible Clues:

• Emotionally rattled
• Deprived of composure
• Crazed, deranged
• Like new guitar strings
• Like a tennis racket with no strings?
• Overwrought describing useless tennis racquet
• Distraught harpist couldn't play such an instrument
• (Of pearls or beads) yet to be linked together
• Not recognised round centre of Montreal, so distressed
• Discomposed