CD Text

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CD-Text extends the Red Book specification and allows metadata to be embedded into the physical disc.  The information about album artist, album title, track title, track artist, ISRC, arranger, composer, performer, songwriter, and a message can all be are stored either in the disc's table of contents (TOC) or in the subchannels R through W.  Only disc players with the special compact disc digital audio cd-text logo will read and output this data.  Most computers use another method of getting cd metadata called the CD Database (CDDB).