Conversation so far:
What is Lemuria and Sirius B by Therion?
In 2004, the band released 21 tracks on two albums: Lemuria and Sirius B.
When were Lemuria and Sirius B released by Therion?
In 2004, the band released 21 tracks on two albums: Lemuria and Sirius B.

Question: Did the band go on tour with these albums?
Self-contained rewrite: Did Therion go on tour with Lemuria and Sirius B?