Air date: 06/26/2015.
"Our Roots" is a sampling of the music that got US into metal and heavy music.
Playlist:
Racer X "Technical Difficulties"
Pantera "Walk"
Iron Maiden "Run to the Hills"
Genghis Tron "Board up the House"
Metallica "The Prince (Diamond Head Cover)"
Sonata Arctica "Weballergy"
Necrophagist "Foul Body Autopsy"
Symphony X "The bird-serpent war"
Testament "Greenhouse Effect"
Dream Theater "Dance of Eternity"
Opeth "Ghost of Perdition"