The radio show/podcast “Broadway to Main Street” looks back at Marc Blitzstein on June 27, 2021. Host Laurence Maslon welcomes special guest Steven Blier, Artistic Director of the New York Festival of Song and a great exponent of Blitzstein’s music. They provide expert commentary built around a rich variety of recorded performances, with contributions from Patti LuPone, Rosemary Clooney, Audra McDonald, Paul Robeson and more. Listen live at 3:00 p.m. on NPR station WLIW (wliw.org), or at your convenience to the podcast.