Recording artist Taylor Swift performs onstage during the 2014 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 19, 2014 in Las Vegas, Nevada. Photographer: Kevin Winter/Getty Images for iHeartMedia

Apple Inc. has asked Florence and the Machine and more than a dozen other artists for exclusive deals to promote a revamped Beats Music, and persuade people to ante up for… [Read more on Bloomberg]