New albums from Rihanna, Sia and Dream Theater and the debut release from Charlie Puth helped to shake things up on the international scene this week, with all leading the influx in at least one country.

As the most established of the four, Rihanna might have been expected to make the biggest impression with her new album Anti, partly because of her previous record, partly because it is her first release for three years, and partly because first single Work ...