According to some new reports, Amazon may soon be getting into the streaming music business. The all-things-retail provider is reportedly in talks to launch a massive streaming music service that it will make available exclusively to Amazon Prime customers. Currently, Prime members pay $79 a year (though that number may soon be going up), to get two-day shipping on anything they purchase from Amazon. But as this story from Mashable points out, even though streaming music profit margins are very low, because Prime customers tend to purchase more items from the site, as long as the streaming music leads to more subscribers, making money from the actual service won’t be a major priority …