LONDON (Reuters) - The music business broke a 12-year losing streak in 2012, posting a small but symbolic 0.3 percent rise in trade revenues to $16.5 billion, figures from the International Federation of the Phonographic Industry (IFPI) showed on Tuesday. The slight increase will come as a relief to record label bosses who have watched the value of sales plummet from a peak of $28.6 billion in 1999, as illegal downloads and a reluctance to embrace the digital age hit revenues hard. ...