Estonian Composers Union (ECU) is a creative union, associating Estonian professional composers and musicologists. ECU aims for free development and distribution of Estonian music and musicology, protecting freedom of creative freedom and ECU’s members interests.
The head of Estonian Composers Union is Märt-Matis Lill and the union has currently 120 members
Since 2005 Estonian Composers Union is a member of the International Society of Contemporary Music (ISCM).