It's my music! Mine I tell you!
Just read a news article about the sales of recordings having decreased in the Finnish market. The article went on about how piracy (mostly CD burning and music sharing) are claimed to be the main reasons for slower sales...
I've got another reason. CD copy protection. I refuse to buy copy protected CD's. I've got hundreds of MP3's on my computer, and a vast majority are MP3's I've created from music I've bought. I've estimated I've spent around a thousand euros/dollars on music. Once I've bought a CD I expect to be able to listen to it on any device, including converting the music to MP3's and listening to it without having to swap around and scratch over a hundred CD's.
OK, let's be realistical here... I don't think this is such a major reason to why people aren't buying music, but if you ask me it's a damn good one.
PS. Pirate my music.