If you are looking for John Legend's music or a potential cover, here is the most relevant information: Artists: Calvin Harris ft. Rihanna. Release Year: 2016.
There is no widely recognized official studio version or "MP3 download" of John Legend covering this specific song. However, he is well-known for his own soulful hits and piano-driven ballads: John Legend This Is What You Came MP3 Download
The lyrics were written by Taylor Swift (initially under the pseudonym Nils Sjöberg). If you are looking for John Legend's music