The Challenges of Preserving Audio in the 21st Century Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Firefighters help remove film canisters from a burning video vault at Universal Studios in Universal City, Calif. on Sunday, June 1, 2008. ( AP Photo/Juan Guerra ) Produced by Ethan Oberman and Polly Irungu Hosted by Tanzina Vega Produced by PRI and WNYC