NUMEROUS REVISIONS AND ADAPTATIONS ARE ENTANGLED IN THE COMPLEX HISTORY OF THE WORK 'TANNHÄUSER'. AFTER THE WORLD PREMIERE IN DRESDEN IN 1845 HAD FAILED TO BE WELL RECEIVED BY THE AUDIENCE, WAGNER REVISED LARGE PARTS OF THE OPERA SEVERAL TIMES IN THE FOLL PREFACE - CAST - DRAMATIS PERSONAE - DISTRIBUTION OF ROLES BY VOICE - ORCHESTRATION - TANNHÄUSER: - OUVERTÜRE - ERSTER AUFZUG - 1. SZENE (DER VENUSBERG) - 2. SZENE. VENUS UND TANNHÄUSER - 3. SZENE. TANNHÄUSER. EIN JUNGER HIRT. PILGER - 4. SZENE