Music single in the form of a standard size compact disc
Also known as Compact Disc single · CDS
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1 identifiers linking CD single across the web's reference databases
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A CD single is a music single in the form of a compact disc (CD). Originally the CD single standard was an 8 cm (3-inch) "mini CD" (CD3); later on the term referred to any single recorded onto a CD of any size, particularly the 12 cm (5-inch) "full-size" disc (CD5). From a technical viewpoint, a CD single is identical to any other audio CD. The format started gaining popularity in the early 1990s, but quickly declined in the early and mid 2000s, in favor of digital downloaded singles and CD albums.