There is more than one artist known as Epica:
Epica formed in the Netherlands. They are a symphonic metal band, founded by guitarist and vocalist Mark Jansen, subsequent to his departure from After Forever. Their songs largely deal with philosophical topics, including science, religion and world events.
Official Website: http://epica.nl/
Official Twitter: https://twitter.com/epica
Official Facebook: https://www.facebook.com/epica
In 2003, Epica's debut album The Phantom Agony was released through Transmission Records.