Song collector, author, ethnomusicologist and librarian. Works at the YIVO Institute in New York and is the author of several important collections of Yiddish music, (the last two of them with her husband Joseph Mlotek), including: Mir Trogn a Gezang– The New Book of Yiddish Songs (1972), Perl fun Yidishn lid– Pearls of Yiddish Song (1988), Lider fun dor tsu dor:naye perl fun Yidishn Lid–Songs of Generations: New Pearls of Yiddish Songs (1990). Many of her papers are held by YIVO.