附註:For amplified small sounds; also amplified piano or cymbal, any number of players and loudspeakers; parts to be prepared from score by performers.
Reproduced from the composer's manuscript.
"Each performer makes his own part from the material supplied, which is 1) 20 numbered sheets having shapes inscribed; 2) a transparent sheet with points; 3) A transparent sheet with circles; 4) A transparent sheet with a circle marked like a stop-watch; 5) A transparent sheet with a dotted curving line having at one end a circle ... All events, ordinarily thought to be undesirable, such as feed-back, humming, howling, etc. are to be accepted in this situation ..."--Page II.
"For Duet for cymbal, employ a contact microphone on the instrument. Use sheet number 1 ..."--Page III.
"For Piano duet, employ a contact microphone on the sound-board of the instrument. If using sheet 2, let one shape correspond to the keyboard, one to the strings ... Where change of object is indicated, employ principle of preparation, but in some radical way (e.g. blankets, pillows, large sheets of plastic, newspapers, etc.)"--Page III.
1. 20 numbered sheets having shapes inscribed. -- 2. A transparent sheet with points. -- 3. A transparent sheet with circles. -- 4. A transparent sheet with a circle marked like a stop-watch. -- 5. A transparent sheet with a dotted curving line at one end a circle.
