Gracenote

Sony has agreed to sell of its Gracenote audio-recognition software division to Tribune for $170 million, following a few months of searching for buyers.

Sony has hired Qatalyst Partners to look into a sale of its Gracenote audio-recognition software business.

It's a rare sight whenever you see rivals Sony and Microsoft working together, but the giants are working together at least for one service, the Xbox's music matching service.