 Nyorai mberi kweiyi ndima - Akadzokera kuRomania muna 1991, mushure mekudonha kwehurumende yechiKomonisiti, achiimba kekutanga pachikuva munyika yake yekuzvarwa, muConcert kuRomanian Atheneum muBucharest. Sezvo matikiti anenge 10 000 akatengwa, Nicolesco akaita mitambo mitatu yakatevedzana. Iye akasika Romanian Atheneum International Foundation uye akapa muna 1994 Steinway concert grand piano. Muna 1995, Mariana Nicolesco akatanga Hariclea Darclée International Voice Competition uye Mutambo. Mumakore ari pakati peimwe nhepfenyuro yeKukwikwidza neinotevera, anopa Master Classes kuvanyori vaduku. Akawana nokuda kwezviitiko zveDarclée High UNESCO Patronage. Muna 2003, iye akasika Romanian National Festival uye Song Competition uye yakaratidza nokuda kweInternational George Enescu Year, yakaparidzwa neUNESCO 2005, munyika premiere nziyo dzakakwana dzomunyori muJapan, paAichi World Exhibition pamwe neNagoya neTokyo, muPrague, Paris, Roma neNew York City. Muna 2014 ari Nhengo yeJury yeChina International Vocal Competition ine vakwikwidzi mazana mana nemakumi matatu kubva kunyika makumi mana nenomwe. 