[3][4] It was later covered by American singer-songwriter Jason Mraz as "The Freedom Song" and released as the first promotional single from his fourth studio album, Love is a Four Letter Word (2012), on March 13, 2012.
After "I'm Yours" remained at the Billboard Hot 100 chart for a record 76 weeks ending in October 2009 (peaking at number 6), the singer/songwriter headed to the Gulf of Mexico in the summer of 2010 to help with efforts to clean the Deepwater Horizon oil spill.
Later, Mraz was in Antarctica, spending time with Al Gore and learning about climate change aboard the National Geographic Explorer.
During his activist outings, Mraz wrote and recorded his fourth album, "Love Is a Four Letter Word", with producer Joe Chiccarelli.
The song caught Jason Mraz's attention and inspired by its optimistic message of how music can uplift the human spirit, the singer-songwriter started performing it in his concerts.
[11][12] Amy Dawson of Metro UK called it "a Jack Johnson-esque lilting number topped with bongos and gospel oohs.
"[13] Loh Chua Junn of MediaCorp's xinmsn wrote that while listening to the song "you're sure to tap your feet and bob your head to the beat in nary a second.
A powerful horn section sends tingles through your upper back and an irresistibly funky backbone paves the way for one of the greatest songs of the man’s career.