A Besere Velt” is a vibrant, 80-member, intergenerational Yiddish chorus that weaves the heartache and irrepressible idealism of Yiddish music into a vision of justice and humanity for the 21st century. Golden Thread Ensemble is a pioneering new chamber-klezmer group led by Craig Judelman, featuring The Klezmatics’ frontman Lorin Sklamberg, and a virtuosic string quintet made up of leading klezmer musicians.