She took part in master classes given by Mincho Minchev, Ifrah Neaman, Isabel Vilá, Lorand Fenives, Clara Flieder, Mauricio Fuks, Ruggiero Ricci, Ferenc Rados and Walter Levin.
She performed as a soloist with various European orchestras conducted by Dafov, Kolarov, Keradjiev, Izquierdo, Fournet, García Asensio, Andreescu, Leaper, Encinar, Noseda, Ros Marbá and others.
Her repertoire covers the period from baroque to contemporary music, including premieres of works dedicated to her by Bustamante, Cueva, Ruiz Pipó, Greco, Torres, Taverna-Bech.
In 2000 she performed in concert the violin concerto "Ardor" by José Luis Greco, dedicated to her, with the Symphony Orchestra of Gran Canaria.
Mariana Todorova plays in a duo with pianist Irini Gaitani and is member of the "Modus" string trio since it was founded in 1997.