Fredrik Rasten is a guitarist and composer primarily focusing on just intonation harmony and related acoustic phenomena. Reaching for an active state of listening and an intuitive exploration of the complexities of tonal interaction, his work draws on influences from minimalist styles, folk musics and other exploratory modes of sound making. Besides his solo projects, he both performs and composes as a member of the Berlin based ensemble Harmonic Space Orchestra, and the long-lived experimental groups Pip and Oker. In recent years he has also explored experimental approaches to traditional songs in duos with Alasdair Roberts and Seamus Cater, and various projects with Australian guitarist Oren Ambarchi.

Rasten's music has been presented on music festivals including All Ears (Oslo), Frequency Festival (Chicago) and Sound of Stockholm, and his recording output has been published on labels such as SOFA, Edition Wandelweiser, Ftarri, Aspen Edities and INSUB.