Henrik Thor Oscar Olsson is a swedish guitarist and composer, based in Copenhagen. He is interested in taking the sonic expression of the electric guitar into new, unpredictable domains through unheard timbres and textures, often with the help of various preparations and unconventional playing techniques. His playing has attracted attention in different projects such as his post-jazz group Penumbra Ensemble, the avantgarde/rock project The Hum, the noise-trio EHM and diverse improvisational contexts. He has composed all the music for Penumbra Ensemble's debut album, which has been very well received among critics and referred to as "a surrealist vision, a deeply personal expression of avant-garde rock, jazz, world music and poetic soundscapes" by All About Jazz. He is a member of the independent label and improvisers' collective Barefoot Records and of the curators' team for Lutter 0re. He is well established on the danish jazz/improvisation scene and has performed with musicians such as Kresten Osgood, Sture Ericson, Peter Friis Nielsen, Lotte Anker, P.O Jorgens, Eugene Chadbourne, Herb Robertson, Olie Brice, Daysuke Takaoka, Takashi Sugawa, Jørgen Teller, among many others.