With zero fanfare, Nine Inch Nails mainman Trent Reznor has released a new instrumental double album, Ghosts I-IV, online. For this release, Reznor is using the Radiohead model, allowing fans to download the album and pay whatever they felt it was worth, even if that amount was zero. Sunday night, the first nine tracks were posted as free, high-quality downloads at NIN.com, the band’s official website. ...