Dhameystir weedha soo socota: "E=MC2" waxay ku soo baxday kaalinta koowaad ee "Billboard" 200 iyadoo la iibiyay 463,000 oo nuqul, iibka usbuuca ugu weyn ee xirfadeeda. Sanadkii 2008, Carey waxay sidoo kale ciyaartay heesaha hamiga leh ee lagu magacaabo Krystal ee "Tennessee" waxayna u muuqatay muuqaal muuqaal ah filimka Adam Sandler ee "You Don't Mess with the Zohan", iyada oo ciyaareysa nafteeda. Tan iyo markii la sii daayay albumka, Carey wuxuu qorsheynayay inuu galo safar ballaaran oo lagu taageerayo "E = MC2". Si kastaba ha noqotee, safarka ayaa si lama filaan ah loo joojiyay horraantii Diseembar 2008. Carey ayaa markii dambe sheegtay in ay uur leedahay muddadaas, oo ay foolanaysay, sidaa darteed waxay baajisay safarka. Bishii Janaayo 20, 2009, Carey waxay ku soo bandhigtay "Hero"
Xafladda Caleema Saarka ee xaafadda ka dib markii Barack Obama loo dhaariyay inuu yahay madaxweynihii ugu horreeyay ee Afrikaan-Mareykan ah ee Mareykanka. Bishii Luulyo 7, 2009, Carey <unk> oo ay weheliyaan Trey Lorenz <unk> waxay ku soo bandhigeen qaabkeeda heesta The Jackson 5 "I'll Be There" xafladda xusuusta ee Michael Jackson.