Conversation so far:
Are there any other interesting aspects about this article?
A 2012 project was curated by Juraj Kojs to celebrate the centenary of Cage's birth.
How was the project put forth?
It consisted of 13 commissioned works created by composers from around the global.
Who were some of the contributors?
The program was supported by the Foundation for Emerging Technologies and Arts, Laura Kuhn and the John Cage Trust.
How much did it cost to produce?
CANNOTANSWER.
How long did it take to put together?
each being 4 minutes and 33 seconds long in honor of Cage's famous 1952 opus, 4'33''.

Question: Who else contributed or sponsored the project?
Self-contained rewrite: Who else contributed or sponsored the celebration centenary of John Cage's birth besides Juraj Kojs?