Question: Now That's What I Call Music! 56, is the 56th edition of the "Now!" series in the United States, it features which song by Taylor Swift featuring Kendrick Lamar, from her fifth studio album "1989" (2014)?

Context paragraphs:
Now That's What I Call Music! 56 (U.S. series): 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.

Freedom (Beyoncé song): "Freedom" is a song recorded by American singer Beyoncé featuring American rapper Kendrick Lamar for her sixth studio album, "Lemonade" (2016).  The song was written by Jonny Coffer, Beyoncé, Carla Marie Williams, Dean McIntosh and Kendrick Lamar; it contains samples of "Let Me Try", written by Frank Tirado, performed by Kaleidoscope; samples of "Collection Speech/Unidentified Lining Hymn", recorded by Alan Lomax in 1959, performed by Reverend R.C. Crenshaw; and samples of "Stewball", recorded by Alan Lomax and John Lomax, Sr. in 1947, performed by Prisoner "22" at Mississippi State Penitentiary at Parchman.  Its production was handled by Beyoncé, Coffer and veteran hip hop record producer Just Blaze.

How Many Drinks?: "How Many Drinks?"  is a song by American recording artist Miguel, taken from his critically acclaimed second studio album, "Kaleidoscope Dream".  The song was produced by Salaam Remi.  A remixed single featuring Kendrick Lamar on an added third verse was released as the album's third single on March 3, 2013.  It received a nomination for Best R&B Performance at the 56th Grammy Awards held in January 2014.

List of number-one albums of 2015 (Australia): The ARIA Albums Chart ranks the best-performing albums and extended plays (EPs) in Australia.  Its data, published by the Australian Recording Industry Association, is based collectively on each album and EP's weekly physical and digital sales.  In 2015, 31 albums claimed the top spot, including Taylor Swift's "1989", which started its peak position in 2014, and thirteen acts achieved their first number-one album or EP in Australia: Meghan Trainor, Kendrick Lamar, Lee Kernaghan, Sam Smith, Hermitude, Tame Impala, Northlane, Dr. Dre, Bullet for My Valentine, The Weeknd, Troye Sivan, Parkway Drive and the Royal Philharmonic Orchestra.

Fearless (Taylor Swift song): "Fearless" is a country pop song performed by American singer-songwriter Taylor Swift.  The song was co-written by Swift in collaboration with Liz Rose and Hillary Lindsey and produced by Nathan Chapman and Swift.  "Fearless" was released on January 3, 2010 by Big Machine Records as the fifth and final single from Swift's second studio album of the same name (2008).  Swift composed the song while traveling on tour to promote her eponymous debut album, "Taylor Swift" (2006).  She wrote "Fearless" in regard to the fearlessness of falling in love and eventually titled her second studio album after the song.  Musically, it contains qualities commonly found in country pop music and, lyrically, is about a perfect first date.

Bad Blood (Taylor Swift song): "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".

Now That's What I Call Music! 56 (UK series): Now That's What I Call Music!  56 or Now 56 was released in 2003.  The album is the 56th edition of the "Now! " series in the United Kingdom.

Now That's What I Call Music! 54 (U.S. series): Now That's What I Call Music!  54 is the 54th edition of the "Now! " series in the United States.  It was released on May 4, 2015.  It features 21 tracks including the "Billboard" Hot 100 number-one hit, "Blank Space" by Taylor Swift.

Control (Big Sean song): "Control" is a song by American hip hop recording artist Big Sean, featuring fellow American rappers Kendrick Lamar and Jay Electronica.  The song was originally intended to be included on Big Sean's second studio album "Hall of Fame" (2013), but was ultimately removed from the final track-listing due to sample clearance issues.  "Control" impacted American mainstream urban radio on August 14, 2013 as a promotional single for "Hall of Fame".  The track contains samples such as "Where I'm From" (1997) by Jay-Z, "El Pueblo Unido Jamás Será Vencido" (1974) by Quilapayún and Sergio Ortega and an interpolation of "Get Bizy" (2011) by Terrace Martin, which also features fellow rappers Kendrick Lamar and Jay Electronica.

Robert Glasper: Robert Glasper (born April 6, 1978, in Houston, Texas) is an American pianist and record producer.  He has been nominated for 6 Grammys, has won 3 Grammy Awards and is currently nominated for an Emmy Award.  His 2012 album "Black Radio" won the Grammy Award for Best R&B Album at the 55th Grammy Awards.  His 2014 album "Black Radio 2" won the Grammy Award for Best Traditional R&B Performance at the 56th Grammy Awards.  The song "These Walls" from Kendrick Lamar's album "To Pimp A Butterfly" won Best Rap/Sung Collaboration at the 57th Grammy Awards, on which Glasper plays keys.  The soundtrack for the film "Miles Ahead" won Best Soundtrack Compilation at the 58th Grammy Awards, for which Glasper was a producer.  The song "Letter To The Free", written with Common, is nominated for an Emmy Award for Best Original Song in the Ava Duvernay documentary film "13th" (Netflix) at the 2017 Emmys.

Supporting paragraphs: Now That's What I Call Music! 56 (U.S. series) Bad Blood (Taylor Swift song)
Answer: Bad Blood