Possible Clues:

• Page - one used to bowing?
• Large violin
• Instrument - flower
• Member of the orchestra is a pansy
• Play on this flower-girl
• Character in 'Twelfth Night' played?
• That's the sort of fiddle she may be instrumental in
• Stringed instrument (and butt of many musician jokes)
• Old instrument is superior to a modern one
• ''Twelfth Night'' role