[1][2][3] Regina Zuckerberg was born Rifke Kobak on 19 March 1887 or 1888 in Lemberg, Galicia, Austria-Hungary (today Lviv, Ukraine).
[4] She was involved in singing and performance from a young age; as a youth she sang in a temple choir in Lemberg under Cantor Halperin.
[10] The month Regina arrived she joined Boris Thomashefsky's People's Theater in the Bowery, where she was billed as the "Austrian Tetrazzini.
"[11][12] That marked the beginning of several decades of collaboration with Thomashefsky; Jacob P. Adler was also involved in bringing her to the New York theatre world.
[17] Those ten sides, which were recorded over a two-day period, were mainly Yiddish theatre songs of the day by such contemporary composers as Arnold Perlmutter, Herman Wohl, and Louis Friedsell.