Tribute bands covering progressive rock artists. Other musical acts covering progressive rock artists. Progressive rock artists covering other types of music. Artists for this episode include: Erik Norlander, Osvaldo Giordano, Halloween, Brian Auger, Brand X, Lana Lane, Joel Pirard, ARS NOVA, Noddy’s Puncture, Keith Emerson & The Nice, Glass Hammer, Gerard, Seven Virgins & A Mule.