After graduating in 2013, she has performed as an accordionist, vocalist, and percussionist internationally and throughout the US with many different groups and also as a solo artist. Mancini has worked for private agencies and high-end clients (Hermes of Paris, Delta Airlines, Gwenyth Paltrow, Jessica Alba, Vueve Cliquot, Carven) and has performed at events at iconic New York locations such as The Whitney Museum of Art, World Trade Center One, and The Rainbow Room. She has also been featured in curated urban public performances at City Center in Washington DC, as well as Penn Plaza 33, Battery City Park, and Bryant Park in NYC. She has been featured on national and international television (NBC5, Argentine radio and TV, HBO), and has performed in an astounding variety of musical situations.