Conversation so far:
what is sitra ahra?
The band worked on a new album, Sitra Ahra.
how did the album do?
Sitra Ahra was released on 17 September 2010 The band toured South and Central America for 17 days, and European tour through November and December.
how did the tour do?
CANNOTANSWER.
what is the most important fact in the article?
In 2008, the band announced that its core group of musicians would be parting ways, but Johnsson posted that he was in no way ending Therion.

Question: did the group of musicians end up parting ways?
Self-contained rewrite: did the group of musicians end up parting ways?