Drake's One Dance (feat. Wizkid & Kyla) and Calvin Harris' This Is What You Came For (feat. Rihanna) have been dominating the singles charts around the world for the past several weeks but both are relegated to supporting roles by the new Major Lazer, Justin Bieber & MØ collaboration Cold Water, which occupied pole position on iTunes charts in more than 60 countries in early snapshots, and went on to register bona fide No.1 debuts on official charts in Ireland, ...