keith goodwin, zac brown, jason mraz & kt tunstall

i know what love is (because of you) [feat. aber nevarez, ai fujimori, al bettis, andy lund, andy powers, ben monteith, brian colins, chris conley, chris hau, christopher cooper, cj smith, the clark family, damian derobbio, danny black, daniel donato, daria musk, gabriel o'brien, greg mervine, dauzat st. marie, jay parkin, josh krajcik, justus west, kbong, kevin lloyd, kirki chi, lindsay love, lizzie peirce, lloyd vines, masaki toraiwa, nicholas veinoglou, pam chung, paul cannon, ram, rob devious, rob machado, hazard to ya booty, sae banjoya, sara niemietz, simone parkin, solana derobbio, tawn nguyen, thunderstorm artis, tim arnold, tolan shaw, lullanas & lola parkin] - single