263 works by 38 composers
Chamber [38%] Keyboard [29%] ...
Group: Free-form
Synonyms: Aleatoric music
Open form is a term sometimes used for mobile or polyvalent musical forms, where the order of movements or sections is indeterminate or left up to the performer.
Iannis Xenakis - 01 - Tetras, for string quartet (1983)
Iannis Xenakis - 07 - Mikka, for solo violin (1971)
