Taylor Swift bought back the master recordings of her first six albums. “I’m trying to gather my thoughts into something coherent, but right now my mind is just a slideshow. As a flashback sequence of all the times I daydreamed about, wished for, and pined away for a chance to get to tell you this news,” she said in a letter on her website Friday. “I almost stopped thinking it could happen, after 20 years of having the carrot dangled and then yanked away. But that’s all in the past now.”