As music sales have dwindled over the years, artists have increasingly turned to making special editions of their albums to entice hardcore fans to spending more hard-earned cash — but theres never been an album quite like what Wu-Tang Clan is cooking up. In addition to releasing a 20th anniversary album this summer called A Better Tomorrow, the hip-hop collective also recorded a double album in secret over the last two years — and is only releasing one single copy of it.