- Stockhausen, Karlheinz
Nr. 14: Plus Minus. 2 × 7 Seiten fur Ausarbeitungen.
Universal Edition, London, 1965, Wraps, , , Very Good /
Wrapper with Erläuterungen and Instructions (15 pp.) stapled in. Seven leaves with notes and seven leaves with symbols laid in. Previous owner’s signature on the wrapper, which is well soiled. Else, the instructions and leaves are very good. As per instructions, one or several interpreters can realize one or several layers with the 14 pages. Up to 7 layers can be combined. The concept represents seven musical types in combination with their waxing and waning (plus/minus) and although rigorously specified, requires input from the performer verging on composition. UE 13993.