Question: What does "Angel" and "Fifth Harmony" have in common?

Context articles: I'm in Love with a Monster
2017 Teen Choice Awards
Fifth Harmony discography
Fifth Harmony (album)
The Worst Kept Secret Tour
Britt Burton
Angel (Fifth Harmony song)
Fifth Harmony
Ammo (musician)
Better Together (EP)

"I'm in Love with a Monster" is a song recorded by American girl group Fifth Harmony for the computer animated fantasy-comedy film, "Hotel Transylvania 2".
 It was written by Harmony Samuels, Carmen Reece, Sarah Mancuso, Edgar Etienne and Ericka Coulter with production handled by Samuels.
 It was released to digital retailers on August 14, 2015 through Epic Records and Syco Music and serviced to contemporary hit radio in the United States four days later on August 18.
 "I'm in Love with a Monster" is a pop song that blends elements of R&B, soul, rock and hip hop with "jazzy" rhythms along with heavy and funky beats.
 Critics drew comparisons to the musical style of girl groups such as The Supremes.
The 2017 Teen Choice Awards ceremony was held on August 13, 2017.
 The awards celebrated the year's achievements in music, film, television, sports, fashion, comedy, and the Internet, and were voted on by viewers aged 13–19 through various social media sites.
 A three hour musical festival called "Teen Fest" and hosted by Jake Paul was streamed exclusively on YouTube with some of the event appearing during the Teen Choice broadcast.
 Throughout the show, several celebrities, including Vanessa Hudgens, Zendaya and Lauren Jauregui of Fifth Harmony, addressed the aftermath of the 2017 Unite the Right rally and encouraged teens to speak out against violence and hate.
The discography of American girl group Fifth Harmony consists of three studio albums, six extended plays, ten singles and thirteen music videos.
 After finishing third on the second season of the American televised singing competition "The X Factor" the group was signed to Epic Records though Syco Music.
 Less than a year later, Fifth Harmony released their debut single from their debut extended play, "Miss Movin' On".
 The single charted on the Mainstream Top 40 and New Zealand, peaking at 27 in both countries.
 It was certified gold in the United States for selling combined sales and track-equivalent streams units of 500,000.
 The group's extended play, "Better Together" peaked at number six on the "Billboard" 200 and number 18 in New Zealand, charting in both countries similar to the group's lead single.
 As part of the promotion for "Better Together", four other versions were released of the extended play, including an acoustic release, a Spanish-language acoustic and a standard Spanish-language translated version as well as a remix edition.
Fifth Harmony is the self-titled third studio album by American girl group Fifth Harmony, released on August 25, 2017, through Syco Music and Epic Records.
 Its lead single, "Down", which features rapper Gucci Mane, was released on June 2, 2017.
 It is the group's first album following the departure of Camila Cabello in December 2016.
The Worst Kept Secret Tour is the second official tour from American girl-group Fifth Harmony and the third overall.
 The tour began in Ventura, California on February 2, 2014 and ended on March 24, 2014 in Buffalo, New York.
 The group performed in this tour around the same time when they were opening acts for Demi Lovato's 'Neon Lights Tour'.
 The official poster for this tour was chosen by Fifth Harmony among many nominations submitted by fans.
 The tour was planned as an early tour for fans who were going to see the group in Demi Lovato's 'Neon Light's Tour'.
Britt Burton is an American singer and songwriter from Columbus, OH.
 Her songwriting credits include Jessie J "Masterpiece", Noah Cyrus "Stay Together" and Alexandra Burke “Elephant.”
 She has also written for acts such as Fifth Harmony, 5 Seconds of Summer, The Saturdays, The Chainsmokers, and The Wanted.
"Angel" is a song recorded by American group Fifth Harmony for their self-titled third studio album (2017).
 The song was produced by Skrillex and Poo Bear.
 It was released as a promotional song on August 10, 2017.
Fifth Harmony is an American girl group based in Miami, composed of Ally Brooke, Normani Kordei, Dinah Jane, Lauren Jauregui, and previously Camila Cabello until her departure from the group on December 18, 2016.
 The group signed a joint record deal with Simon Cowell's label Syco Records and L.A. Reid's label Epic Records after forming and finishing third in the second season of the American televised singing competition "The X Factor" in 2012.
 Rising to stardom by social media, the group's debut extended play, "Better Together" and their three studio albums, "Reflection," "7/27," and "Fifth Harmony" all charted within the top ten of the "Billboard" 200 in the United States.
Ammo (born Joshua Coleman) is an American record producer and songwriter.
 Ammo has co-written and produced songs for Beyoncé, Kesha, Katy Perry, Pitbull, Maroon 5, Britney Spears, Jessie J, Jason Derulo, Mike Posner, Fifth Harmony, R. Kelly, Flo Rida, and Selena Gomez.
 Ammo has contributed to hits such as Maroon 5's "Sugar", Katy Perry's "E.T.", and Fifth Harmony's "Work from Home".
Better Together is the debut extended play by American girl group Fifth Harmony.
 It was their first release after placing third on the second season of American televised reality show "The X Factor", and was released on October 18, 2013 through Epic Records.
 Lyrically, the extended play discusses themes of love, heartbreak and empowerment.
 Throughout the recording process, the group worked with a variety of music producers including Savan Kotecha and Harmony Samuels as well as Julian Bunetta who served as the executive producer of the extended play.
 "Better Together" is primarily a pop record with elements of funk, pop rock, power pop, dance, bubblegum pop, acoustic guitar, R&B and minimalist urban influences.