So Curious Podcast
The podcast series So Curious! produced by the Franklin Institute has produced an entire season dedicated to exploring the world of music through the lens of science. The Science of Music. Episode 3 "The sound of Music: Timbre, Synthesizers, and Orchestration" features an interview with Stephen McAdams (McGill University) in which he speaks about timbre in its relationship to orchestration. Click the link to listen to this great podcast!
https://podcastindex.org/podcast/4789728