Detail of the "score" for Poeme Electronique. Scanned from Space Calculated in Seconds, by Marc Treib and Richard Felciano (Princeton University Press, 1996)
Unlike composers who write instructions to musicians who create the work in performance, Edgard Varèse created electronic music where the recorded output is the artwork. There is a "score" for Varèse's Poème Electronique but it's not something that someone else could use to recreate the work.
Images of the Pavilion, of the installation, and of the "score" for Poeme electronique. post 