The Verge writes, Streaming music's effect on the the industry's revenues has been a point of contention for some time, but there are signs that it's going to be an important — and possibly the dominant — piece of overall music sales soon. That's already the case in Sweden, where new data from GLF, as reported by Musically, shows that streaming music accounts for 89 percent of overall digital sales, which itself accounts for 63.5 percent of all music sales in the country. In fact, music sales in the country are up 30.1 percent year-over-year, though that doesn't meant that they have recovered from...