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 . Topping the UK charts , the album became his first to chart on the US Billboard 200 chart ( where it reached number 19 ) . Ready for the Weekend is the second studio album by Scottish musician Calvin Harris , released on 14 August 2009 by Columbia Records . `` This Is What You Came For '' is a song by Scottish DJ and record producer Calvin Harris , featuring Barbadian singer Rihanna .