I vaguely remember reading something about it at the start of the year after his arrest. If I recall correctly, the idea was you installed a program that replaced the ads on websites as you browse. By doing so you earned access to music. Something like that.

Edit: Apparently it had a trial run last year to unlock access to MU and MV. Read more: http://web.archive.org/web/20110128174342/http://megakey.com...