I have a huge and old MP3 library that is an amalgamation of my CDs, and some of my parent's CDs too. I think it's about two or three months of classical music.

I have a huge and old MP3 library that is an amalgamation of my CDs, and some of my parent's CDs too. I think it's about two or three months of classical music. I suspect that many HN readers also have similar stories. None of this will show up in a market survey like this.