Conversation so far:
What album by Jason Mraz was nominated for an award?
On July 26, 2005, Jason Mraz released his second major label album, Mr. A–Z. The album earned a Grammy Award nomination for Best Engineered Album, Non-Classical.
Was Jason Mraz ever recognized for anything?
Jason Mraz has won two Grammy Awards, two Teen Choice Awards, a People's Choice Award and the Hal David Songwriters Hall of Fame Award.
Which president did Jason Mraz support?
On October 24, 2019, Jason Mraz endorsed Bernie Sanders for President in the 2020 Democratic Party presidential primaries.
What famous places did Jason Mraz perform at?
In 2008, Jason Mraz performed at the Nobel Peace Prize Concert in Oslo.

Question: What category did he win for the People's Choice Awards?
Self-contained rewrite: What category did Jason Mraz win for the People's Choice Awards?