Could Anna Der-Vartanian have seen Armand Tokatyan Singing in cafes before he was famous?
Armand Tokatyan: Armand Tokatyan (June 16, 1894 – June 12, 1960) was an operatic tenor. Armand Tokatyan:  In 1914, he returned to Egypt and earned his living by again singing in the cafés. Armand Tokatyan:  He took up operetta, soon becoming a matinee idol, then in 1919 went to Milan to pursue an opera career.
i don't know