A number of sources have been quoting leaks from music companies as saying that Google has been in active negotiations with the four major music production firms. Supposedly, only the smallest of these, EMI Group, has inked a deal with the search company. Some observers believe that Google will launch their service in a matter of weeks even if they EMI Group as their only partner initially. The New York Times notes that Google most likely plans to link it to Music Beta, the company’s existing cloud service. For those of you not familiar with it, Music Beta lets users create a music locker of…