Swift's collaboration with pop sensation Ed Sheeran on the hit song "Everything Has Changed" stands out among her most notable works. "An instant hit among fans, the song demonstrated their indisputable rapport as performers and songwriters. Along with her willingness to work with artistsattt king coms from various genres and backgrounds, Swift has also collaborated with artists such as Kendrick Lamar, The Civil Wars, and Bon Iver.". Swift has had a big influence on the industry in addition to her musical partnerships because of her support of artists' rights & just compensation. She is well known for writing an open letter to Apple Music in 2015, in which she criticized the company for not paying artists during the free trial period of the streaming service. Her letter forced Apple to modify its policies, establishing a standard for digital-age artist empowerment.