'Siegfried' now completes the new edition of piano scores of Richard Wagner's 10 canonical operas based on the scientific complete edition. They are actually the first urtext editions of Wagner's operas. Apart from the critically revised musical text, the editions are characterized by challenging notation and practical aids such as rehearsal and bar numbers. Prefaces provide information on the genesis and early history of reception while further annotations document important rehearsal instructions of Wagner. WWV 86 C