Google's answer to Apple's iTunes is coming. Or, perhaps not an answer, but part of the conversation. When Google showed off the idea of Music at this year's I/O conference, people were eagerly awaiting its official unveiling later in the year. Unfortunately, despite the fact it's already September, we're still waiting. But, if the sources speaking toReuters are indeed accurate, we don't have much longer to wait at all, as this Christmas may indeed be a holiday to remember.