“Notation naturally underwent the same ruptures that its signified did throughout the 20th century, not only in the attempt to find technically suitable illustrations for unprecedented forms of sonic expression, but also, as it was often the case, as a deliberate attack on the conventions of the graphic representation of sound. In the process, scores became increasingly idiosyncratic, more conscious about their arbitrary (i.e. semiotic) nature, and concomitantly assumed the status of art objects in themselves.”

— Eye Of Sound