After meeting John Cage, he was inspired to write works such as _Microphone I,_ the score of which contained almost no mention of what music to play, instead consisting only of microphone placement instructions. Another work, _Aus den sieben Tagen,_ 
After meeting John Cage, he was inspired to write works such as _Microphone I,_ the score of which contained almost no mention of what music to play, instead consisting only of microphone placement instructions. Another work, _Aus den sieben Tagen,_ consists of instructions for the players to fast silently for four days and then improvise without conscious thought.
After meeting John Cage, he was inspired to write works such as _Microphone
Karlheinz {Stockhausen}