Scott Walker, pop star and composer, taken in 1967.
PA/PA Wire/PA Images
Possessed of one of the most distinctive voices in pop music, Scott Walker's avant-garde aesthetic and skill as a composer made him an enduring and influential artist over more than 40 years.
The US president as avant-garde provocateur.
Visions of the future, from the early 20th century.
Umberto Boccioni: Dynamism of a Cyclist
A transcript from a segment of The Anthill podcast about the futuristic visions of Filippo Marinetti.
Richard Demarco (left) with Joseph Beuys in the early 1970s.
The Demarco European Art Foundation
Richard Demarco, aka Mr Edinburgh Festival, has been fostering vital UK links with artists around the world for decades.
Orchestra of nature: artist Bartholomäus Traubeck has converted pieces of trees into music.
Eric C Bryan
What is the music of trees? German artist Bartholomäus Traubeck spun slices of logs on turntables that translate their textures and annual rings into music. Traubeck calls the result Years, and I played…