Even her greatest detractors have to admit, Taylor Swift can write a catchy pop song. And for those for whom Swiftamine isn’t enough, there may be a reason why so many of her songs get stuck in people’s heads so easily: because they’re essentially the same song. To be more accurate, at least two of her songs can easily be remixed to prove they’re the same song with incredibly strong earworm hooks that will stick in listeners’ heads.