Jason Thomas Mraz (born June 23, 1977) is an American singer-songwriter who first came to prominence in the San Diego coffee shop scene in 2000. In 2002, he released his debut studio album, Waiting for My Rocket to Come, which contained the hit single "The Remedy (I Won't Worry)". With the release of his second album, Mr. A-Z, in 2005, Mraz achieved major commercial success. The album peaked at number 5 on the Billboard 200 and sold over 100,000 copies in the US. In 2008, Mraz released his third studio album, We Sing. We Dance. We Steal Things. It debuted at number 3 on the Billboard 200 and was an international commercial success primarily due to the hit "I'm Yours". The song peaked at number 6 on the Billboard Hot 100, giving him his first top ten single, and spent a then-record 76 weeks on the Hot 100. His fourth album, Love Is a Four Letter Word, peaked at number 2 on the Billboard 200, his highest-charting album to date.

Mraz has won two Grammy Awards and received two additional nominations, and has also won two Teen Choice Awards, a People's Choice Award and the Hal David Songwriters Hall of Fame Award. He has earned Platinum and multi-Platinum certifications in over 20 countries, and has toured in North America, South America, Europe, Asia, Australia, the Middle East and parts of Africa. As of July 2014, Mraz has sold over seven million albums,and over 11.5 million downloaded singles.His musical style, from rhythmic feeling to his use of nylon string guitars, has been heavily influenced by Brazilian music.

Mr. A–Z (2005–08

On July 26, 2005, Mraz released his second major label album, Mr. A–Z, produced by Steve Lillywhite for Atlantic Records. The album's lead single, "Wordplay", was produced by Kevin Kadish,and entered the Billboard 200 at number 5.The album earned a Grammy Award nomination for Best Engineered Album, Non-Classical, while Lillywhite received a nomination for Producer of the Year.

Mraz began a long-running tour in support of Mr. A–Z at the San Diego Music Awards on September 12, 2005. The tour featured several opening acts, including Bushwalla and Tristan Prettyman, with whom he had written the duet "Shy That Way" in 2002.Mraz opened for Alanis Morissette during her 2005 Jagged Little Pill Acoustic tour,[15] and for the Rolling Stones on five dates during their 2005–06 world tour.[7] In March 2006, he performed in Singapore as part of the annual Mosaic Music Festival.[citation needed] That May, he 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 The tour included a May 6, 2006 acoustic show with P.O.D., Better Than Ezra, Live, and The Presidents of the United States of America. Mraz was featured as a headlining guest of St. Louis's annual Fair St. Louis and performed a free concert at the base of the Gateway Arch on July 1, 2006. During this time, Mraz was also the opening act at several dates for Rob Thomas' Something to Be Tour.

Jason Mraz performs at Foxwoods Resort Casino in Ledyard, Connecticut on May 17, 2006. In 2005, Mraz was one of many singers featured in the fall advertisement campaign for The Gap entitled "Favorites", singing a cover of Bob Marley's "One Love".2006 saw the release of Selections for Friends, the live, online-only album recorded during the Songs for Friends Tour. In 2007, "The Beauty in Ugly", an earlier track penned by Mraz originally titled "Plain Jane", was rewritten for the ABC television show Ugly Betty. The song was featured as a part of ABC's "Be Ugly in '07" campaign. Also that year, on American Idol, contestant Chris Richardson performed a cover of Mraz's "Geek in the Pink".