‘Shake it Off’ is a Max Martin and Shellback Uber Beat bought from the Swedish producer duo, paid by Borchetta, so Tay was fibbing when she said it was her originality, its Euro pop, propping up the tundra that has become US Pop music after Spears and Jlo, remitted to retirement and even then, Spears sterling post breakdown effort, at revelatory or confessional “Femme Fatale”, was also a Dr Dre creation, which is another Euro-pop creation.