


The acquisition closed in February 2014: Gracenote was aligned with the Tribune Media Services division which focused on TV and Movie metadata and IDs. On December 23, 2013, Sony announced it would sell Gracenote to Tribune Media for $170 million. On September 9, 2010, Gracenote received its one-billionth piece of data, with a submission about the Compact Disc release of Swans' My Father Will Guide Me Up a Rope to the Sky. The acquisition was completed on June 2, 2008. On April 22, 2008, Sony announced that it would acquire Gracenote for $260 million. This led to a licensing controversy when Gracenote became commercialized. Its original database was created from and continues to receive voluntary contributions from users. A TOC, or Table of Contents, is a list of offsets corresponding to the start of each track on a CD. Because CDs do not contain any digitally-encoded information about their contents, Kan and Scherf devised a technology that identifies and looks up CDs based on TOC information stored at the beginning of each disc. xmcd and CDDB were created by Ti Kan and Steve Scherf. Gracenote began in 1993 as an open-source project involving a CD player program named xmcd and an associated database named CDDB. Formerly CDDB (" Compact Disc Data Base"), Gracenote maintains and licenses an Internet-accessible database containing information about the contents of audio compact discs and vinyl records. is a company owned by Nielsen Holdings that provides music, video and sports metadata and automatic content recognition (ACR) technologies to entertainment services and companies, worldwide.
