In April 2010 Walker flew to Haiti to help Compassion Australia's relief effort of the 2010 Haiti earthquake, saying "I want to help out, I want to do what I can as they rebuild their country." During the last few stages of 2009, Walker began working on his second studio album. "Unbroken", the lead single from the album, From the Inside Out, was written and produced by Ryan Tedder. It was released in New Zealand on April 13, and in Australia on April 20.Walker performed the single in Pukekohe, New Zealand. The single debuted on the New Zealand Singles Chart on 19 April 2010, a week after its release, at number 29. It later peaked at number 9. On 2 May 2010, "Unbroken" entered the Australian ARIA Charts at number 27 and has since then peaked at number 23 on the Australian Singles Charts which only include Australian artist singles it peaked at number 3, and also reached number 7 on the Australian Urban Charts.The single received a gold certification in Australia for sales of over 35,000 copies

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