Wiktionary
cmyk
init. (context computing English) The colour model used in colour printing; ''Cyan, Magenta, Yellow, Key''.
Wikipedia
CMYK (EP)
CMYK is the second solo extended play by London-based indie producer James Blake. It was released in both the United Kingdom and the United States on R&S Records on 28 May 2010. It samples many tracks, mostly from 1990s R&B. The EP received positive reviews from critics.