Gems of Bluegrass are 5 - 8 minutes drop-in modules that look at bluegrass / old time history, aesthetics and culture. Each Gem consists of multiple song clips with commentary over music beds. For an insightful weekly 1-hour bluegrass show that includes Gems of Bluegrass, see the Bluegrass Review, available from PRX. Contact Phil Nusbaum at pnusbaum@bitstram.net to download the show from www.bluegrassreview.com.