Tomorrow, John Cage would have turned 100, and all over the world, many events have taken place this year to celebrate him. Now, I could write a long article about his life, his works, his achievements and his philosophies in music, but I think sharing THIS with you is much more interesting.
The app celebrates one of the ingenious innovations of the American composer- the prepared piano. What's more, the sounds are authentic, and meticulously sampled from a piano prepared with the actual materials used by Cage while writing Sonatas and Interludes (1946-8).
Note: the above link is for the iPad app. For iOS/Android phone there is a FREE VERSION.