Angra - Tide of Changes - Pt. II - Encyclopaedia Metallum: The Metal Archives

What are some doom metal bands similar to 'Swallow The Sun'? - Quora

The Hero Reloaded: The Reinvention of The Classical Hero in Contemporary Mass Media, PDF, Hero

New Particles - metal

List of power metal bands - Wikipedia

List of power metal bands - Wikipedia

What are some good but mostly unknown power metal bands? - Quora

What are some doom metal bands similar to 'Swallow The Sun'? - Quora

The Metal lab – music review/Interviews

Heavy metal music - Wikipedia

The Book of the Sword, by Richard F. Burton—A Project Gutenberg eBook