Mr. A–Z is the second studio album by the American singer-songwriter
Jason Mraz, released on July 26, 2005. It is the studio follow-up to his first studio album
Waiting for My Rocket to Come, released in 2002. Even with mixed reviews, it was a moderate commercial success and debuted at #5 on
Billboard's Top 200 albums chart. It was recognized for mixing many different genres of music together.