Mezue ahịrịokwu na-esonụ: Carey bụrụ "Hero" na Seoul, South Korea na June 1999 n'oge emume ebere "Michael Jackson &amp; Friends", nke wetara ego maka ọtụtụ òtù ọrụ ebere. Na Septemba 21, 2001, mgbe mwakpo nke Septemba 11 gasịrị, Carey bụrụ "Hero" dịka akụkụ nke "" telethon. Ọdịdị ya na telethon bụ ihe mbụ ọ pụtara n'ihu ọha kemgbe ọ kwupụtara nkwụsị na ụlọ ọgwụ, tupu ntọhapụ nke "Glitter". N'afọ 2003, Carey rụrụ egwu sitere na album ya, "Charmbracelet" (2002), n'oge ikpeazụ nke Michael Jordan NBA All-Star Game na 2003 Mgbe medley ahụ gasịrị, ọ gụnyere "Hero" na ndepụta dị mkpirikpi, na-esote egwuregwu ikpeazụ nke Jordan. Na July 2, 2005, a na-eme ihe ngosi ọdịmma na Hyde Park, London akpọrọ Live 8. Ihe karịrị nde ndị Briten 9.6 na-ele ihe omume telivishọn ahụ, ma nwee ndị na-ege ntị dị ndụ karịrị 200,000. Carey mere ndepụta egwu atọ, na-emepe na "Make It Happen" na "Hero", nke gosipụtara ndị na-abụ abụ nke ụmụaka Africa, na-esote "Anyị Bụ Otu", nke ndị na-eme ihe nkiri Chris Barrie, Judy Flynn, Mike Burns na Julia St. John. N'oge njem nkwado maka ọrụ ụlọ ọrụ nke iri na otu ya "E = MC2" na 2008, ndị ikpeazụ nke 2008 UK X Factor gụgharịrị abụ ahụ ma wepụta ya dị ka otu. Tupu a tọhapụ ya, Carey pụtara na mmemme ahụ, ebe ọ rụrụ otu ya n'oge ahụ "M Nọgide n'Ịhụnanya", nke sochiri ya na duet nke "Onye dike" n'etiti ya na ndị ikpeazụ. Na 2009, n'oge
n'egwuregwu mmeghe nke Barack Obama, Carey meghere ihe omume telivishọn ahụ site n'iji egwu egwu "Hero", na-eyi uwe mgbede ojii ogologo oge mgbe ọ na-egwu ntutu ogologo ntutu. Na June 5, 2010, Carey rụrụ abụ ahụ n'akụkụ "We Belong Together" na nzukọ ndị na-eketa òkè Walmart. Mgbe ihe ngosi ahụ gasịrị, Carey nwetara mkpuchi mgbasa ozi dị arọ maka ibu ibu ya, na-eduga ọtụtụ ndị na-enyo enyo na ọ dị ime na di ya Nick Cannon.