Uruguayan composer and musicologist Coriún Aharonián was born in Montevideo on 4 August 1940. He studied with a series of teachers, including Lauro Ayestarán, Gerardo Gandini, György Ligeti, Luigi Nono, Héctor Tosar, Christian Wolff and Iannis Xenakis.
He wrote a series of books between 1991 and 2014, and was also coordinator of several musicological editions, and sat on various committees. In 2004 he was awarded a Guggenheim Fellowship.
He wrote mostly chamber and electroacoustic music which has been performed internationally, but he also wrote two stage works and a few orchestral, choral and vocal pieces, plus incidental music for stage productions and film scores. He also taught composition at various universities.
Coriún Aharonián died in Montevideo on 8 October 2017, aged seventy-seven.