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
NSEL case at the time of trading. It was discovered that even 15 months before the NSEL case went public, India's leading financial journalist Sucheta Dalal knew all major aspects of the fraud.An email dated 8 May 2012 from Sucheta to Jignesh Shah, Anjani Shah etc came in public domain which revealed that Sucheta knew about illegality and lack of safety of NSEL product. A complaint has been filed with Mumbai police by NSEL Investors' Action Group to investigate Sucheta Dalal's role. Sucheta knew about illegality of contracts, role of IBMA and the fact that the warehouses were in so called borrowers'