" Richard Wagner : Der Ring des Nibelungen in Das Rheingold in scene 3, using 18 anvils tuned in F in three octaves , and Siegfried in act I, notably Siegfried's "Forging Song" ( Nothung! Nothung! Neidliches Schwert! ) Josef Strauss : Feuerfest! , op. 269 Daniel Auber : opera Le