Shake It Off" is a song recorded by American singer-songwriter Taylor Swift from her fifth album, 1989 (2014). Written by Swift, Max Martin and Shellback, it is an uptempo dance-pop track and features a departure from Swift's earlier country pop musical style. "Shake It Off" is the sixth track on the album and serves as the lead single. The song premiered during a Yahoo! live stream session on August 18, 2014 (also streaming internationally online); its music video was also released the same day. Several hours later, the song was made available for digital download.

Blank Space" is a song by American singer-songwriter Taylor Swift from her fifth studio album 1989 (2014). It was written by Swift, Max Martin and Shellback. The song was released to the radio by Republic Records on November 10, 2014 as the album's second single, after "Shake It Off" and is the second track on the album. Musically, "Blank Space" is an electropop song with lyrics that satirize the media's perception of Swift and her relationships.[1]

Miley Ray Cyrus (born Destiny Hope Cyrus; November 23, 1992) is an American singer, songwriter, and actress. Born and raised in Franklin, Tennessee, a suburb of Nashville, she held minor roles in the television series Doc and the film Big Fish in her childhood. Cyrus became a teen idol for her portrayal of the starring character Miley Stewart in the Disney Channel television series Hannah Montana in 2006; her father Billy Ray Cyrus additionally starred in the show. Cyrus subsequently signed a recording contract with Hollywood Records; her debut studio album Meet Miley Cyrus (2007) was certified triple-platinum by the Recording Industry Association of America (RIAA) for exceeding three million shipments. Cyrus released her second album Breakout and launched her film career as a voice actress in the animated film Bolt in 2008

Roar" is a song by American singer Katy Perry for her fourth studio album, Prism (2013). It was released as the lead single from the record on August 10, 2013. Perry co-wrote the song with Bonnie McKee and its producers Dr. Luke, Max Martin, and Cirkut. It is a pop song containing elements of arena rock and lyrics centering on standing up for oneself and self-empowerment.

Sugar" is a song recorded by American pop rock band Maroon 5 for their fifth studio album, V (2014). It was written by Mike Posner, Adam Levine, Dr. Luke, and Jacob Kasher Hindlin together with its producers Ammoand Cirkut. It was sent to contemporary hit radio in the United States, as the third single from the album on January 13, 2015. "Sugar" is a disco, funk-pop and soul song that features a wide range of instruments including percussion, keyboards and guitars.

See You Again" is a song recorded by American rapper Wiz Khalifa, featuring American singer Charlie Puth. The track was commissioned for the soundtrack of the 2015 action film Furious 7 as a tribute to the late Paul Walker, who died in a single-vehicle accident on November 30, 2013 in Valencia, California. The artists co-wrote the song with its co-producers, DJ Frank E and Andrew Cedar, with additional production from Puth and mixing provided by Manny Marroquin. "See You Again" was released on March 10, 2015, as the soundtrack's lead single in the United States.

Dark Horse" is a song recorded by American singer Katy Perry featuring rapper Juicy J. It was originally released on September 17, 2013, by Capitol Records as the first promotional single from Perry's fourth studio album, Prism (2013). Three months later, it was released as the third official single on December 17. Both artists co-wrote the song with its producers, Max Martin, Cirkut, and Dr. Luke, alongside Sarah Hudson. It was conceived by Perry and Hudson during a writing session in Perry's hometown of Santa Barbara, California, and Juicy J was later commissioned for a verse on the song.