2. Taylor Swift
She’s been the most successful albums artist of the last five years, selling 22.8 million in total. But, would she cut physical retailers from the equation in the short term, like Beyonce? Swift’s last album, 2012's Red, sold 71 percent of its 4 million on physical CDs. (She even sold the CD through Papa John's Pizza outlets, Walgreens and Starbucks.)
