The FrictionQuartet, narrator John Monsky, and vocalists shonica, cryskellogg, kelvinmoonloh, and justinmsargent explored the intense emotions of the Vietnam War, including a performance of George Crumb’s amplified string quartet “Black Angels” in #ZankelHall. #1960sNYC #CarnegieHall #CH1718 📷: StefanCohenPhoto