Possible Clues:

• Degas subject
• Girl at the barre
• Dancer from Ireland breaking into song endlessly
• Dancer from Bulgaria's borders touring whole of Ireland
• FouettГ© performer
• All Ireland captivated by arty type, a dancer
• British, then French, go in with a woman of elegance
• "The Nutcracker" performer
• The whole of Ireland is within her, dancing
• You'll find 'er dancing in there in Mayo