The music companies act all innocent and pretend they only just noticed that That's All Right will enter the public domain next year. Because I'm sure that BMG hasn't sold enough Elvis records yet. And if this means that ten years from now, people can quote Beatles lyrics without having to fork over money to Michael Jackson, I'm all for it, personally.
(as a brief aside, does anybody really think that when the new extended copyright period is up, Disney and the others are going to relinquish their copyrights? Or will they pay off a bunch of politicians again and get copyright extended to the heat-death of the universe?)
For iTunes users - Apple has released audio recordings of the 9/11 Commission Hearings. You can get them for free on iTMS. Here's Richard Clarke, for example,