One of the great treasures out there in the cloud is the Internet Archive. I contains terabytes of music, movies that have fallen into the public domain, rare voice recordings, and the Wayback Machine. It's a great place to explore on a rainy day.
I've downloaded a lot of music from the Archive and offer this tip:
You may already know about the Internet Archive because of the Wayback Machine. Well, Sherman, the Wayback Machine contains an online history of the World Wide Web. Using it, you can find stuff that's disappeared from current websites (and websites themselves that have disappeared).