Who said "I work until the music tells me it is complete"?

This quote is attributed to Karlheinz Stockhausen.

I work until the music tells me it is complete - Karlheinz Stockhausen

"I work until the music tells me it is complete"

Karlheinz Stockhausen Work

Experimental Composer German 1928–2007

"I always work with the expectation of touching something true."

"Music is the only language in which you cannot say a mean or sarcastic thing."

"Every sound is music if you listen carefully."

"I compose like I breathe."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."