Þóranna Dögg Björnsdóttir studied music from an early age. She graduated as a classical pianist and moved forward into the study of visual and sound art. She finished a BA degree at the interfaculty of Image&Sound/Art science at the Royal Conservatoire and the Royal Academy of Art in the Hague/Holland.

Þóranna has worked with various bands and as an independent composer. She works with different medium and realizes her work through film, performances and installations. She has also composed for dance theater and for film. Her work has been featured on the Icelandic national radio RUV1 and at festivals domestically (Extreme chill festival Iceland, Iceland Airwaves) and abroad (e.g Live iXem, Milan, Festival Licences, Brûlures des langues VIII, Paris). She performs live under the name Trouble and her music can be described as acousmatic, where she uses concrete and synthesized sounds.