From the music industry website HTTP://www.hitsdailydouble.com:

U ALWAYS WANT WHAT U CAN'T HAVE: Has Prince discovered a new way to market music by withholding it from consumers? On Oct. 17, The Rainbow Children, the new album by the artist formerly known as The Artist Formerly Known as Prince, will be available for download only to NPG Music Club members at the NPG website. In addition to the new set, membership privileges include concert and party passes, a free Prince-featured radio show and new NPG songs each month. Premium NPG club membership: $100/year. Basic NPG club membership: $7.77/month. Masterminding a free offer campaign with a cost: Priceless. (10/12p)