Episode 151 of Working Class Audio, hosted by Matthew Boudreau, is a 45-minute interview with David Glasser. David describes recording live music performances at NPR, during the days of stereo tape syndication. He traces his career from the early days of mastering CDs and how the mastering engineer’s role has evolved to one of greater involvement in creating the final sound of the release. The last 10 minutes is an illuminating explanation of Plangent Processes. Give a listen.