In 2020 Martinaitytė received Guggenheim Fellowship and the Lithuanian Government Prize for Culture and Arts for her creative achievements.

Her work In Search of Lost Beauty.... received two gold medals at the Global Music Awards for "Best Composer"[1] and Best Album.

From 1991 to 1997 she studied composition at the Lithuanian Academy of Music and Theatre in Vilnius under Professor Bronius Kutavičius and Julius Juzeliūnas.

[2] After graduating in 1997, she attended various summer courses for composers: Darmstädter Ferienkurse, the 6th International Academy for New Composition and Audio Art in Schwaz/Tirol, Austria with Bogusław Schaeffer and Marek Chołoniewski, Fondation Royaumont in France with Brian Ferneyhough, José Evangelista and Jean-Luc Herve, IRCAM/Centre Acanthes in France with Jonathan Harvey and Michael Jarrell and the Stavanger orchestral music course in Norway with Ole Lützow-Holm.

[3] When Vilnius became the European Capital of Culture in 2009, Lithuanian National Radio and Television commissioned A Thousand Doors To The World for performance by a symphony orchestra.