Complex sentence: In 1877 she made her first professional performance, in Beethoven's "Ninth Symphony" in Graz, appearing with soprano Maria Wilt, and her operatic debut at Dresden's Royal Opera House on October 15,1878 as Azucena in "Il trovatore".
Split into simpler sentences: In 1877 she made her first professional performance, in Beethoven's "Ninth Symphony" in Graz, appearing with soprano Maria Wilt. Tini made her operatic debut at Dresden's Royal Opera House on October 15,1878 as Azucena in "Il trovatore".