About one month before its long-awaited stock-market debut, Universal Music Group has officially launched a “significant expansion of its recorded music operations within China.” Vivendi’s Universal Music Group – over seven percent of which belongs to William Ackman’s Pershing Square – just recently detailed the ambitious expansion across China’s increasingly lucrative music market . The multifaceted move centers on the existing Universal Music Group Greater China’s “establishment of a multi-label structure, featuring new flagship labels.” Among said flagship labels are Republic Records China, EMI China, PolyGram Records China, and Universal Music China, each of which is set to “operate independently…