Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Mrs. Agusta Belmont, kamar yadda aka san ta daga baya, ya zama mace ta farko a cikin Kwamitin Gudanarwa na Metropolitan Opera a 1933.
Tabbas, wani nau'i mai rikitarwa na jumla shine "Mrs. Agusta Belmont, kamar yadda aka san ta daga bisani, ya shiga Kwamitin Gudanarwa na Metropolitan Opera a 1933, ya kafa Ƙungiyar Ƙungiyar Ƙungiyar Metropolitan a 1935 da kuma Majalisar Kasa ta Metropolitan Opera a 1952. "