Conversation so far:
What is Mr A-Z?
Jason Mraz's second major label album.
Why is the album Mr A-Z significant?
Jason Mraz began a long-running tour in support of Mr. A–Z.
Where was the tour for Mr A-Z?
Jason Mraz toured mostly small venues and music festivals in the U.S., along with a few shows in the United Kingdom and Ireland where he supported James Blunt.

Question: What was Mraz doing in 2008?
Self-contained rewrite: What was Jason Mraz doing in 2008?