Jason Thomas Mraz is an American singer-songwriter and guitarist. He rose to prominence with the release of his debut studio album, Waiting for My Rocket to Come (2002), which spawned the single "The Remedy ", that peaked at number 15 on the Billboard Hot 100 chart. His second studio album Mr. A-Z (2005) peaked at number five on the Billboard 200.

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