He ALSO clarifies claims he and Ellie Goulding have a new song coming. The plot thickens… Calvin Harris just gave a pretty definitive answer to the question pretty much everyone has been asking since he and girlfriend Taylor Swift got together – will they ever collaborate on a track? EXCLUSIVE: Calvin Harris Confirms THREE New Collabs…. And He’s Worked With Them ALL Before! And sadly for many, the answer doesn’t seem to be what we…"Calvin Harris FINALLY Answers : Will He And Girlfriend Taylor Swift Collaborate?"