Leave it to a singing negro skull and three gelatinous, bloodshot eyeballs dressed in tuxedos to finally put the absurdity of DRM in perspective: my favorite band, the Residents, are selling a double album on their website for $14.99 that contains nothing but two blank CDs. Over the next 40 weeks, those who have bought the blank CDs will then download the album in pieces over iTunes and assemble the album themselves when it’s all over.