https://www.yiddishcuriosities.com/2013/02/a-vig-lid-sloyfn-syogn-shvartse-volkns.html
Yiddish Curiosities (was Polish Jewish Cabaret): A vig-lid (S'loyfn s'yogn shvartse volkns) by...
Research into Yiddish songs between the wars. Recordings, videos, sheet music.