Soprano Yana Kleyn sings "Tu che di gel sei cinta" from Giacomo Puccini's opera "Turandot"2013 Stockholm Royal OperaLiù Yana KleynTurandot Nina StemmeCalàf Riccardo MassiTimur Michael SchmidbergerConductor: Thomas SøndergårdChoir & Orchestra of the Royal Opera in StockholmStage Director: Marco Arturo Marelli