NIGHTWISH bassist/vocalist Marco Hietala will guest on Dutch guitarist/composer Arjen Lucassen's new AYREON album, "The Theory Of Everything", due before the end of the year. Behind-the-scenes footage from Hietala's recording sessions for the CD can be seen below. Lucassen previously stated about the new AYREON effort: "['The Theory Of Everything' is] going to be a... Read more
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