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: Regenesis, John Ford, Lana Lane, Brand X, The Nice, World Trade, Trilogy, Marillion, Erik Norlander, Rick Wakeman, John Wetton, Tangerine Dream, California Guitar Trio, Gerard, Rivendell, Jordan Rudess, Chrome, and the Trans-Siberian Orchestra.