It's a collection worth over $250 million dollars -- the amount Sony executives paid for the rights to the 50,000 or so song files in 2010. According to the report, unreleased collaborations with the likes of Freddie Mercury and will.I.am are among the stolen tracks. The hacking took place in April of last year, and though Sony has been aware of the breach in their system since then, the company is only now publicly acknowledging it. It's unclear what hackers can do with the songs, as they obviously...