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Russia's Ekaterina Scherbachenko performs Je voudrais bien savoir ... Ah! je ris from Gounod's Faust, in the final of the 2009 BBC Cardiff Singer of the World competition.
Marguérite has found a casket of jewels, which has been left on her doorstep by Méphistophélès to tempt her. Singing the Jewel Song, she tries them on and admires herself in the mirror - their beauty makes her as lovely as a princess.
