Waxad ku qortaa sii wadida faqradan - "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. Janaayo 20, 2009, Carey waxay ku soo bandhigtay "Hero" Bandhigga Furitaanka ee Xaafadda
kadib markii Barack Obama loo dhaariyay in uu noqdo madaxweynihii ugu horeeyay ee Afrikaan Mareykan ah. 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.