In 2008 , Johnson and his wife Kim created the Johnson Ohana Charitable Foundation , a non-profit public charity supporting environmental , art , and music education worldwide . Jack and Kim Johnson also founded the Kokua Hawaii Foundation in 2003 . Johnson and his family work hard every year at festivals and concerts alike , to raise money for causes they feel are most important . Johnson recorded a cover of John Lennon 's " Imagine " for the 2007 benefit album '' Instant Karma : The Amnesty International Campaign to Save Darfur '' , which was also included on the 2009 benefit album '' Rhythms del Mundo Classics '' . In talking about Johnson and his career choices , '' Rolling Stone '' wrote : " It is a typically generous move from Johnson , who has used his multi-platinum success to support causes he cares about . " Although the Johnson Ohana Charitable Foundation is a non-profit organization that " focuses on environmental , arts and music education " , it has raised more than $ 750,000 from 2009 to 2010 to give away . Johnson was in Osaka , Japan on his To the Sea 2010 World Tour at the time of the 2011 Tōhoku earthquake and tsunami in northern Japan . He was in a hotel with his family when it struck . After having to postpone the rest of his tour , he donated $ 50,000 to GlobalGiving 's Japan Earthquake and Tsunami Relief Fund
2011 Tōhoku earthquake and tsunami
2011 Tōhoku earthquake and tsunami
Jack Johnson (musician)