[link|http://www.progarchives.com/Progressive_rock_discography_BAND.asp?band_id=593#discography|Lethe] - Like Tull and ELO
[link|http://www.deathmetal.com/acheron/|Acheron] - this one is amusing. Satanic Death Metal
[link|http://musica.mustdie.ru/en/band/phlegethon/1134/|Phlegethon] - Death Metal, natch. Grand Rapids, even...
[link|http://www.gainesvillebands.com/banddetail.asp?bandid=183|Cocytus] - Metal. Apparently less Death or Satan involved than the others...