She collaborated in the creation of the chamber opera "Dido reloaded" with Xavier Bonfill, Joan Magrané, and Octavi Rumbau which premiered in October 2013 in Barcelona and Madrid.
García-Tomás collaborated in 2016 as a composer and video creator with German stage director Matthias Rebstock [de] on works premiered at the Grec Festival and Neuköllner Oper Berlin.
On February 14, 2018, the National Theater of Catalonia premiered "Balena blava" with music by García-Tomàs and text by Victoria Szpunberg [ca], a twenty-minute work inspired by Igor Stravinsky's "The Rite of Spring".
In 2020, she was awarded the Premio Nacional de Música in the Composition category, annually granted by the Ministry of Culture and Sports of Spain.
[5] On May 13, 2022, she premiered a symphonic choral work, "Suite of Myself" at L'Auditori, musically based on Bach's "St John Passion" and literarily on poems by Walt Whitman.