Two artists - Ed Sheeran and Drake - accounted for more than half of the Top 75 between them last week, and although their stream-fuelled domination has subsided a little they still account for 33 of the Top 75 titles this week, with all 16 cuts from Sheeran's Divide album present for the fourth week in a row, while Drake's More Life - from which all 22 tracks were charting last week - loses a little ground and is now ...