Complex sentence: There he sang in 1887 in the premiere of Viktor Nessler's opera "Der Trompeter von Säkkingen", and on 25 January 1888 he played the role of Gunther in the American premiere of Wagner's "Götterdämmerung".
Split into simpler sentences: There he sang in 1887 in the premiere of Viktor Nessler's opera "Der Trompeter von Säkkingen". On 25 January 1888 he played the role of Gunther in the American premiere of Wagner's "Götterdämmerung".