Librarians might frown on P.D.A. in the library, that is, Public Displays of Affection by canoodling college couples. But another kind of P.D.A. might bring a different, more welcome sort of disruption to the library: Patron-Driven Acquisition, a model of e-book licensing that aims to relieve library purchasing agents from spending thousands on books nobody will end up reading.
John Cage–renowned composer, music theorist, writer, artist, and Zen enthusiast–is a a veritable treasure trove of Curiosities. Here’s a video from 1973 of Cage performing his most famous piece, 4’33”, in Harvard Square. It’s hard for even the man himself to top the genius of this inspired performance, however.