Speculation about a likely sale of streaming music service Mog has been heating up overnight, with audio technology firm Beats fingered as the buyer. Business Insider suggests the acquisition deal was signed last week but cautions that its story is based on a single source. GigaOm has its own (separate?) source claiming that term sheets ‘went back and forth between the two companies a few weeks ago’, too. “Nothing to confirm at this time,” is Mog’s official statement on the rumours. Beats is the headphones firm in which device maker HTC acquired a 51% stake in 2011, of course. HTC has been shopping around for its own music service for some time – it was Beyond Oblivion’s big hope before a mooted global licensing deal fell through. Billboard notes that Mog may be a good fit for Beats, given its emphasis on high-quality 320kbps streaming. HTC could be a powerful ally for Mog, which has 500k active users but has yet to extend beyond North America.