Question: Which studio album released in 2014 has this song that is featured in "Now That's What I Call Music! 56?"
Related documents: [0]  [DOC] Now That's What I Call Music! 56 is the 56th edition of the "Now!" series in the United States, released on October 30, 2015. It features 22 tracks including three "Billboard" Hot 100 number-one hits: "See You Again" by Wiz Khalifa featuring Charlie Puth, "Can't Feel My Face" by The Weeknd and "Bad Blood" by Taylor Swift featuring Kendrick Lamar. [END] 
[1]  [DOC] "Bad Blood" is a song by American singer-songwriter Taylor Swift, from her fifth studio album "1989" (2014). The remixed version of the song, featuring American rapper Kendrick Lamar, was released on May 17, 2015, by Republic Records as "1989"' s fourth single. The album version was written by Swift, Max Martin, and Shellback, with Lamar writing his verses on the remixed version. The lyrics of "Bad Blood" describe betrayal by a close friend. The album version is the eighth track of "1989". [END] 
Answer: 
1989
1989