Watch the biggest stars in music from Radio 1 on BBC iPlayer http://bit.ly/Radio1BBCiPlayer Watch the moment Calvin Harris revealed 'This Is What You Came For' live on Radio 1 for the first time as part of New Music Friday. Nick Grimshaw visits Calvin's home in LA and interviews him at his actual studio. Facebook: http://bit.ly/BBCR1facebook Twitter: http://bit.ly/BBCR1twitter Instagram: http://bit.ly/BBCR1instagram Vine: http://bit.ly/BBCR1vine Website: http://bit.ly/BBCR1website

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