Music industry giants including Warner Music Group Corp. are suing Yahoo! China for alleged copyright infringement by providing links to unlicensed music, trade organisation IFPI said. Beijing's no. 2 Intermediate Court has accepted the case, which was filed in early January by 11 companies and seeks damages of 5.5 million yuan ($710,686), said Leong May-seey, the International Federation of the Phonographic Industry's Hong Kong-based regional director for Asia.