Home Jambase Runner Uses Playlist Featuring Phish, Grateful Dead & Strangefolk To Help Set...National Music NewsJambaseMusicRunner Uses Playlist Featuring Phish, Grateful Dead & Strangefolk To Help Set Appalachian Trail RecordSeptember 23, 20161739FacebookTwitterPinterestWhatsApp 48-year-old ultra-runner Karl Meltzer discusses the music that helped him complete the Appalachian Trail in record time.