Listen to an interview with Hans Sydow regarding "Hansons Head". An audiovisual remix made for the ZKM exhibition "Sound Art. Sound as Medium of Art" by composer and soundartist Hans Sydow and architect and graphic designer Christina Ann Sydow of Sten Hansons "How are you" (1969), a classic text-sound composition.

Morten Sondergaard on Unheard Avantgarde (in Scandinavia):

SNYK Radio: Morten Søndergaard om Unheard Avantgarde [in Scandinavia]

"Sound Art. Sound as Medium of Art" at ZKM in Karlsruhe is the largest sound art manifestation on European soil sinceSonAmbiente in Berlin in 2006. A large section is devoted to Scandinavia: