That led me to Scott Raymond 's excellent post on the subject from last December ( Broadcatching with BitTorrent ). I especially liked (because it seems so apt) the use of the term "broadcatching" to describe this new method of distribution. At Corante , Ernie Miller wonders whether some kind of remix formula or recipe could be created to allow consumers to recreate the Dangermouse mix from the two original sources, thus sidestepping copyright issues. I respond that the suggestion is similar to the technique used to distribute the lame MP3 encoder, thus bypassing Fraunhofer's patent. But music is not a computer program, and I am highly doubtful that sufficient notation could be devised, or that anyone could enter in the data in sufficient detail to recreate the artwork. I disagree. If one is using a computer to mix music (and most people are nowadays), then it wouldn't be too difficult for the editing program being used to save how the particular mix was made. This capability would be very similar to the "undo" function most editing programs come up with. Photoshop, for example, saves every move you make with program so you can "undo" any change made since your initial edits, they call it the " history palette ." Now, I see no reason why it wouldn't be possible for photoshop to save this history palette as a separate file. Imagine if someone edits a photo and sends me the history palette but not the original photo (for copyright