Nyorai kuenderera mberi kweiyi ndima - Muna 2011, Karim akaburitsa vatatu vakazvimiririra-vakagadzirwa. Musi waChikunguru 4, Karim's debut single "Just Let It Go" yakaburitswa. Musi wa24 Gumiguru, yake yechipiri imwe "Yakaenda Kukurumidza" yakaburitswa. Musi wa 28 Mbudzi, wake wechitatu "Heroes" akaburitswa mukubatsira rubatsiro rweHeroes rubatsiro rwunotsigira kugadziriswa kwevashandi veBritish vakakuvadzwa kubva kunetsana kwakadai seIraq neAfghanistan. Musi wa28 Nyamavhuvhu 2012, wake wechina asina kuroorwa "Wakagadzirira Here" akaburitswa. Rwiyo rwacho rwaiva nechinangwa chokukurudzira vatambi vaikwikwidza muLondon 2012 Paralympic Games
. Musi wa 8 Zvita 2012, yake yechishanu imwe "Ndinokutendai nokuda kwezuva" yakabudiswa. Rwiyo rwacho rwakaitirwa Mitambo yeOlympic yeLondon 2012. Baba vaKarim, Karim Ullah, vakanyora "Just Let It Go" uye "Gone Too Soon", uye "Heroes" yakanyorwa naKarim nababa vake.