Grupos representativos de este género son: Symphony X, Dragonland, Vision Divine, Thunderwar, Crimson Glory, Savatage, Aquaria, Elegy, Fates Warning, Dreamscape, X Japan, Legendaria, Ayreon, Angra, Control Denied, Toccata Magna, Glory Opera, Kamelot, Shaaman, Adagio, Myopia y Galneryus