The highest-grossing tour in music history is a case study in how a legacy act can navigate the modern attention economy. Taylor Swift’s record-breaking Eras Tour, wrapping up December 8 in Vancouver, has redefined the modern concert experience. With more than 150 shows across five continents and a staggering $10 billion impact on local economies, it’s the highest-grossing tour in history. Beyond the numbers, Swift has mastered the art of fan engagement, continuously releasing fresh music and