Johannes Bergmark is a musician and performance artist based in the Stockholm, Sweden. He has a distinct frenetic style and uses found materials and household items to build instruments. Many of his instruments are Indiscrete, fungible and his music is often lowercase. He pays careful attention to the tonal color of the sounds made by various materials and often his music highlights this element above playing specific recognizable melodies.
He frequently uses Free String on his instruments such as suspending large metal sheets or his own body by strings.
His instruments often engage site specific architecture.