The American singer-songwriter Taylor Swift released which album co-written by Max Martin and Shellback and inspired by the singer's "semi-toxic" relationships she experienced?
We Are Never Ever Getting Back Together:  Swift co-wrote the song with its producers, Max Martin and Shellback. Red (Taylor Swift album):  The album title was inspired by the "semi-toxic relationships" that Swift experienced during the process of conceiving this album, which Swift described the emotions she felt as "red emotions" due to their intense and tumultuous nature.
i don't know