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In page Leandra Overmann:

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She sang on the opera stages of Venice, Trieste, Barcelona, Hamburg, Madrid, Milan, Mannheim, Dresden, Munich, Kiel, Basel and Freiburg/Breisgau.[citation needed] Her repertoire included the Wagnerian roles of Erda, Fricka and Waltraute (Der Ring des Nibelungen), Santuzza (Cavalleria rusticana), Ulrika (Un ballo in maschera), Marina (Boris Godunov), Amneris (Aida), Eboli (Don Carlos) and Margret (Wozzeck). She also sang works by Verdi, Dvořák, Mahler and Puccini.[citation needed]