Vacatello completed Postgraduate Piano Performance Courses at the Royal Academy of Music in London with Christopher Elton and with Dominique Merlet in Paris.
She participated in masterclasses held by Alexander Lonquich, Louis Lortie, Andreij Jasinskj, Leslie Howard, Michael Dalberto, Andrea Lucchesini, Alexis Weissenberg, Vitaly Margulis, Sergeij Dorensky, Eliso Virsaladze.
Mariangela has also collaborated in chamber music with both Takács and Ysaÿe Quartets as well as musicians such as Timothy Fain, Rocco Filippini, Ilya Grubert, Gary and Toby Hoffman, Francesco Tamiati, Giovanni Gnocchi, Natasha Korsakova.
In 2013 Vacatello brought on stage "THE TWILIGHT CONCERT," an unusual and intriguing journey, which rises in absolute darkness and gradually takes us to the discovery of primordial glares and reassuring reflections.
Classical performances and deep contemporary music met in Paris with the new technology made in Ircam: electronic sound through instruments —- that is, without speakers.