One of the greatest achievements of Krzemień was the role of Christine in the Broadway musical The Phantom of the Opera. In March 2009, she did the new voice of Snow White (original and singing) in the original first Disney classic Snow White and the Seven Dwarfs. In 2005-2007, She has performed as Fleur de Lys in the French musical Notre Dame de Paris. In addition, she also did the role of Bastienne in Bastien und Bastienne. During the Presentation of Mozarts Opera in Kraków, she sang old Polish and Russian songs and presented arias.