A 50 year copyright term would also apply to foreign works, so Taylor Swift would be out of copyright in the EU after 50 years. However, under the rule of the

A 50 year copyright term would also apply to foreign works, so Taylor Swift would be out of copyright in the EU after 50 years. However, under the rule of the shorter term (https://en.wikipedia.org/wiki/Rule_of_the_shorter_term https://en.wikipedia.org/wiki/Rule_of_the_shorter_term), the US would be allowed to reduce Ed Sheeran's copyright to 50 years.