Bella Alten operatic career included six Metropolitan premiere performances – Adele in Die Fledermaus (1905), Gretel in Hänsel und Gretel (1905), Saffi in Der Zigeunerbaron (1906), Olga in Fedora (1906), Columbina in Le Donne Curiose (1912), and Lisetta in L'amore Medico (1914). In November 1905 when she sang Gretel in the premiere Metropolitan performance of Hänsel und Gretel, the composer Engelbert Humperdinck was in the audience. This opera received 11 performances that first season and was selected by Theodore Roosevelt's wife as a benefit for the Legal Aid Society. Alten sang Gretel in this opera every season she was with the Met
Lina Abarbanell and the Metropolitan Opera House, brought Abarbanell to New York. Her American debut came that October at Irving Place in "Fruehlingsluft" ("Spring Breezes") followed a month later playing Lt. Von Vogel in "Jung Heidelberg" ("Young Heidelberg"), a comic opera with music from Carl Millöcker and book by Leopold Krenn and . Her debut at the Metropolitan Opera House as Hänsel to Bella Alten's Gretel came on November 25, 1905. Over the run of "Hänsel und Gretel" the two would at times switch roles. After honing her language skills Abarbarbanell made her English-speaking debut at the Garden Theatre on Christmas Day,