 Critics have lauded him as one of the most influential composers of the 20th century.He was also instrumental in the development of modern dance, mostly through his association with choreographer Merce Cunningham, who was also Cage's romantic partner for most of their lives.Cage is perhaps best known for his 1952 composition "4′33″", which is performed in the absence of deliberate sound; musicians who present the work do nothing aside from being present for the duration specified by the title.