If you have not already seen it, here's a link to good interview that was on the Sea of Tranquility website. It was done before the last time Opeth played in DC.
http://www.seaoftranquility.org/article.php?sid=159&mode=thread&order=0
http://www.seaoftranquility.org/article.php?sid=159&mode=thread&order=0