| Category: | Musical composition |
| Dated: | October 6 or 7, 1958; Cologne, Germany |
| Instrumentation: | Piano with or without other instruments or objects |
| Duration: | indeterminate |
| Premiere and performer(s): | |
| Dedicated to: | --- |
| Choreography: | |
| Published: | Edition Peters 6764 ©1960 by Henmar Press. |
| Manuscript: | Holograph,signed, in ink (3 p.) and instructions for reproduction (typescript with annotations by an unidentified hand in pencil - 1 lf.) in New York Public Library. |
| Four systems of two, three or four lines each, one for interior piano construction, one for exterior piano construction,
one auxiliary noise and the bottom line for the keyboard. Scattered over these lines are dots and quarter-notes. Every systems
has its equal time length. Position of note with respect to the line gives the relative pitch, duration or amplitude. |