On our 15th podcast, we bring you the Sounds of Summerfest, including a chat with Erik Marcus about podcasting and an interview with Joe Connelley on the 50th issue of VegNews. There are also clips from the entertainment sessions, notably the incomparable singing of Sarah Eisman and some clips from the unparallelled collaborative improv cartooning shtick delivered by Dan Piraro and myself. There are also perspectives on what makes Summerfest Summerfest from notables such as Howard Lyman, Carol Adams, Gene Bauston, Amie Hamlin, Michael Greger and others, and as always, a new Science Fact.