Conversation so far:
What happened to Hanson in 2006?
In July 2006, the band recorded with a school choir in Soweto, South Africa to create Great Divide, which was released in the UK and U.S. in December 2006.
What was The Walk by Hanson?
The Walk is the fourth album by American pop rock group Hanson.
Did The Walk by Hanson reach bill board charts?
US Billboard Top 200 #56
Did Hanson go on tour?
On September 10, 2007, Hanson began The Walk Tour in Nashville.
Did Hanson finish the The Walk tour?
The Walk tour was suspended after Isaac underwent lifesaving surgery for a pulmonary embolism.

Question: What did they do on their tenth anniversary?
Self-contained rewrite: What did Hanson do on their tenth anniversary?