Jem Aswad Senior Music EditorAs next month’s Universal Music Group public listing moves closer, parent company Vivendi announced early Tuesday that billionaire Bill Ackman’s Pershing Square Holdings is acquiring another 2.9% of the company for just under $1.5 billion, based on a valuation of €35 billion, or around $41.3 billion.This follows Pershing Square’s acquisition of 7.1% of UMG for $2.8 billion, fulfilling Ackman’s stated goal of racking up 10% of UMG’s share capital.Earlier this year,