http://www.nytimes.com/2015/06/23/business/media/as-quick-as-a-taylor-swift-tweet-apple-had-to-change-its-tune.html?hp&action=click&pgtype=Homepage&module=mini-moth®ion=top-stories-below&WT.nav=top-stories-below&_r=0 By midnight Sunday, Apple — one of the most powerful companies in the world — had capitulated to the 25-year-old pop star, saying it would pay royalties on all music for the three-month trials. One of its senior executives, Eddy Cue, even said he called Ms. Swift personally to give her the news.