Born in Barcelona, Guillermo Martorell showed musical inclination from an early age and received his first piano lessons at the age of 4. He recently completed the score for feature films Angry Spirits (Iris Pakulla), Un Sol Radiant (Ariadna Fortuny & Mònica Cambra), Marc Crehuet's Espejo, Espejo (2022), as well as for In the Box, Gregory Hervelin and Aurélie Herrou’s first feature film. He has composed electronic, choral, chamber and orchestral music, as well as music for several short films. As a performer and music producer, he has worked with several artists from Barcelona. He has recorded and toured in Europe and Japan, performing in places like the Tate Britain Museum in London, the Van Gogh Museum in Amsterdam, and festivals such as Primavera Sound and Sònar (Barcelona), Meltdown (London), and Womad. Some of these artists include Mr. Hubba & El Mono Inventor, of which he is a founding member, Maria Rodés, Mazoni, Da fak, Moves, Mariona Aupí, and El Chico Con La Espina En El Costado. He also has a new instrumental ambient project called Castell Embruixat which debuted its first EP last June.