Erika Hallberg co-produced, worked as assistant director, did the make-up and composed the music for the short Fyren (Keeper of the Light). While young, she has a solid background in music, theater and film. She also worked as script supervisor on Kammaren (A Legend Told). She's currently getting her degree as a cantor and it shows in the end credits of Fyren.Erika and Robert P. Olsson lives in the city of Karlstad, in the county of Värmland, a county known for its many famous authors and poets.