Undoubtedly the hottest new album of the week, Jay-Z's 4:44 dropped earlier today (30 June) - but as it is initially available for streaming exclusively via Tidal and cannot yet be purchased, it is naturally absent from the top of the iTunes rankings which we usually cite as an early indicator of an album's success. Of today's other new releases, the biggest impression is made by Scots dance maven Calvin Harris' Funk Wav Bounces Vol.1, which leads the way on ...