Mepụta ụdị dị mgbagwoju anya nke ahịrịokwu a ECM (Edition of Contemporary Music) bụ ụlọ ọrụ na-edekọ ihe na Munich, Germany na 1969 site n'aka Manfred Eicher.
N'ezie, nsụgharị dị mgbagwoju anya nke ahịrịokwu ahụ bụ "ECM (Edition of Contemporary Music ) bụ akara ndekọ nke e hiwere na Munich, Germany na 1969 site n'aka Manfred Eicher, onye nọgidere na-enwe mmasị na egwu nke akara ahụ wepụtara, na-arụ ọrụ dị ka onye na-emepụta ihe na ọtụtụ n'ime ihe ndekọ ya. "