Jason Mraz is grateful for the many blessings he's had over the course of his career. The 41-year-old "I'm Yours" singer is back on the music scene with a new album, Know, set to be released on Aug.

Jason Mraz is a musical seeker. What else do you call a pop artist who goes from hitting the Broadway stage to recording a reggae album before setting his sights on cutting a bluegrass project? The ...