9. Edgar: Prelude to Act IV Edgar: Prelude to Act IV Lohengrin: prelude to act 1 Lohengrin: prelude to act I I Medici: prelude to Act I Parsifal: prelude to act 1 Parsifal: prelude to act I Siberia: prelude to Act II Lohengrin: Prelude to act III I Medici: prelude to Act III