Conversation so far:
What first happened in 2001 to Yes?
Yes released their nineteenth studio album Magnification.
Did magnification do well on the charts?
The record was not a chart success; it peaked at number 71 in the UK and number 186 in the US.
Where any of its singles a success?
CANNOTANSWER.
Did they tour with the Magnification album?
The Yes Symphonic Tour ran from July to December 2001.
Who were the members of the group at the time of Magnification?
CANNOTANSWER.
Did they have any other tours?
their Full Circle Tour.
What came after the Full CIrcle tour?
A 35th anniversary tour followed in 2004.

Question: Were there anymore tours?
Self-contained rewrite: Were there anymore tours after The Full Circle Tour?