Calvin Harris is a musician.
18 Months is the third studio album by Scottish musician Calvin Harris , released on 26 October 2012 by Deconstruction Records , Fly Eye Records and Columbia Records . Adam Richard Wiles ( born 17 January 1984 ) , known professionally as Calvin Harris , is a Scottish record producer , DJ , singer and songwriter . In October 2014 , he became the first artist to place three songs simultaneously on the top 10 of Billboard 's Dance/Electronic Songs chart . `` This Is What You Came For '' is a song by Scottish DJ and record producer Calvin Harris , featuring Barbadian singer Rihanna .