Pedzisa mutsara unotevera: "E=MC2" yakatanga panzvimbo yokutanga pa"Billboard" 200 nemakopi 463 000 akatengeswa, kutengeswa kukuru kwevhiki yokutanga mubasa rake. Muna 2008, Carey akaitawo muimbi anofarira anonzi Krystal mu "Tennessee" uye akaonekwa mufirimu raAdam Sandler "Haufanire Kuseka naZohan", achizvitamba. Kubvira pakabudiswa dambarefu racho, Carey akanga aronga kutanga rwendo rwakawanda achitsigira "E=MC2". Zvisinei, rwendo rwacho rwakangoerekana rwabviswa pakutanga kwaDecember 2008. Carey akazotaura kuti akanga ava nepamuviri panguva iyoyo, uye akabatwa nepamuviri, nokudaro akadzima rwendo rwacho. Musi waJanuary 20, 2009, Carey akaita "Hero" pa
Mutambo Wokuvhurwa Wenzvimbo Yakapoteredza pashure pokunge Barack Obama apika somutungamiri wokutanga weAfrica-America weUnited States. Musi waChikunguru 7, 2009, Carey <unk> pamwe naTrey Lorenz <unk> vakaita yake vhezheni yeThe Jackson 5 rwiyo "Ndichave Ndiripo" pamusangano wekuyeuka Michael Jackson.