Josh groban hevur spælt i nógvum góðgerðartiltøkum millum annað VH1 Save the Music (2005), Tsunami Aid: A Concert of Hope (2005), Fifth Annual Adopt-A-Minefield concert (2005), 2nd Annual Grammy Jam (2005), Live 8 (2005), The Heart Foundation Gala (2005), og David Foster and Friends Charity Gala (2006). Hann sang eisini solo í lagnum We Are The World 25 for Haiti (2010).