Calvin Harris is a man of many talents. The Scottish DJ has proven to be a multi-faceted beast that excels at producing, singing and writing in the studio. His multitude of talents and innate sense for what pops has earned himself numerous chart-topping hits and the opportunity to work with top-tier talent across all genres. From Rihanna and Frank Ocean, to Ellie Goulding and Pharrell Williams, the list of Calvin Harris' collaborators continues to grow. Billboard Dance has decided to round up all the artists he's worked with over the span of his career, ordering the list A through Z.