It’s been the better part of a decade since Napster and other free song-sharing services began scaring the daylights of the music industry. And still recording companies can’t find an effective anti-piracy technology to save their hides.

The fact that so-called digital rights management might always be a doomed experiment became painfully clear with the fiasco that erupted after Sony BMG Music Entertainment added a technology known as XCP to more than 50 popular CDs.