Possible Clues:

• The first Mrs de Winter (Du Maurier)
• Scott's heroine reappearing in later novel
• Novel carbon area added to old instrument
• Daphne du Maurier's antiheroine
• Lady had many a musical instrument first
• The first Mrs de Winter (du Maurier)
• Lady be about first with hundreds then one more
• Girl from Europe wearing new brace
• Girl of Sunnybrook Farm
• Mrs de Winter (novel by D. Du Maurier)