On his blog, Alex Ross posted a link to
RadiOm, which looks really great for 20th-century fans. It's sponsored by Other Minds (in San Francisco) and here are some sample programs below. You have to register, but it's free and quick.
Sample programs:
Ode To Gravity: Brian Eno (Special Edition, I of IV) Uploaded: 11/20/2003. Charles Amirkhanian and Brian Eno discuss Phonetic Poetry, how Brian writes his lyrics, and the spirit of inquisitiveness at KPFA Radio, on Saturday February 2, 1980. Listen to some of Brian Eno's pieces, "After the Heat",...
John Cage and David Tudor in Concert in San Francisco, Jan. 16, 1965 Uploaded: 12/11/2003. Recorded by KPFA Radio on the 39th birthday of David Tudor, this historic concert with John Cage thundered through the halls of the sculpture court of the San Francisco Museum of Art before a capacity audience that included the late Darius...
Stravinsky in Rehearsal from 1947 Uploaded: 01/22/2004. In 1947, William Malloch possessed of a sense of history, recorded Igor Stravinsky rehearsing his new revision of his symphonies of wind instruments in memory of Debussy. The sound is antique but the picture of what Stravinsky is striving...
--Bruce