The firm has inked agreements with Universal Music Group, EMI Group (which Universal has just signed a deal to buy) and Sony Music Entertainment, but has been unable to do so with Warner Music Group.
On the other hand, one might also want to consider that in September, Baidu's music accessibility got slammed by a quadumvirate of Warner Music Group, Vivendi Universal 's Universal Music Group, EMI Group and Sony BMG (half-owned by Sony), which all filed suits against the Chinese e-commerce firm (see: " Bronfman Leads Music Bigs In Baidu Piracy Lawsuit").