Question: What album featuring guest artists Ed Sheeran and Gary Lightbody was promoted during Taylor Swift's third concert tour?

Context articles: The Red Tour
X Tour (Ed Sheeran)
List of Demi Lovato live performances
The Trip: Created by Snow Patrol
The Last Time (Taylor Swift song)
2015 MTV Video Music Awards
Red (Taylor Swift album)
Jingle Bell Ball
Bloodstream (song)
Everything Has Changed

The Red Tour was the third concert tour by American singer-songwriter Taylor Swift.
 Launched in support of Swift's fourth studio album, "Red" (2012), the tour began on March 13, 2013 in Omaha, Nebraska and concluded on June 12, 2014 in Singapore.
The x Tour (pronounced "multiply tour") was the second world concert tour by English singer-songwriter and musician, Ed Sheeran, in support of his second album, "×" (pronounced "multiply").
 The tour began in Osaka, Japan on 6 August 2014, and continued through Europe, the Americas, Oceania and Asia until 12 December 2015, where the tour ended in New Zealand.
 Sheeran planned 179 shows.
 In June 2015, the singer announced a would be filmed during the tour's three sold-out dates, 10–12 July 2015, at 90,000-person capacity Wembley Stadium.
American singer Demi Lovato has embarked six concert tours and performed live at various award ceremonies and television shows.
 Her debut promotional tour in 2008, Demi Live!
 Warm Up Tour was based in North America only and supported her debut studio album, "Don't Forget" (2008).
 At the same year, Lovato served as one of the opening acts for Jonas Brothers on their fifth concert tour, Burnin' Up Tour.
 Lovato also served as one of the opening acts for Avril Lavigne on her third concert tour, The Best Damn World Tour on selected dates in North America.
 In 2009, Lovato performed as the opening act on the Jonas Brothers World Tour 2009 with Jonas Brothers during the South American and European legs, before she continued to tour her first headlining tour, during Summer 2009, promoting her debut album "Don't Forget" and her sophomore album "Here We Go Again".
 The tour featured opening acts, David Archuleta, Jordan Pruitt and KSM.
 In 2010, Lovato performed as the opening act on Jonas Brothers' Live in Concert World Tour 2010.
 On November 1, 2010, Lovato left the tour after a dispute arose to the public light involving her apparently punching one of the dancers of the tour.
 After Lovato left, she was interned in a treatment center to seek out help.
The Trip: Created by Snow Patrol is a mix album compiled by alternative rock band Snow Patrol's vocalist Gary Lightbody and released through the Family Recordings label on 1 November 2004.
 Issued as a 2×CD and a 3×LP Vinyl, the album was the fifth in "The Trip" series.
 In the CD release, Disc I was called "Bert" and Disc II was "Ernie".
 Lightbody wished to compile his own "Trip" album after listening to the album compiled by Tom Middleton.
 Lightbody credits his DJ friend Roy Kerr, better known as The Freelance Hellraiser, for putting together most of the songs (which he then picked for the album), joking about directing Kerr "from the comfy chair".
 Lightbody also wishes to compile a similar album with Kerr in the future.
"The Last Time" is a song recorded by American singer-songwriter Taylor Swift, taken from her fourth studio album, "Red" (2012).
 It was released as the seventh and final single from the album.
 One of two collaborations on the album, the song features singer Gary Lightbody of Snow Patrol.
 The artists co-wrote the song with its producer, Jacknife Lee.
 "The Last Time" is an alternative rock song, with influences of folk rock.
 It was added to the playlist of British national radio station BBC Radio 2 on October 19, 2013 and officially impacted UK contemporary hit radio on November 4, 2013.
The 2015 MTV Video Music Awards were held on August 30, 2015.
 The 32nd installment of the event was held at the Microsoft Theater in Los Angeles, California, and hosted by Miley Cyrus.
 Taylor Swift led the nominations with a total of ten, followed by Ed Sheeran, who had six., bringing his total number of mentions to 13.
 Swift's "Wildest Dreams" music video premiered during the pre-show.
 Cyrus also announced and released her studio album "Miley Cyrus & Her Dead Petz", right after her performance at the end of the show.
 During his acceptance speech, Kanye West announced that he would be running for the 2020 U.S. Presidential Election.
 Taylor Swift won the most awards with four, including Video of the Year and Best Female Video.
 The VMA trophies were redesigned by Jeremy Scott.
Red is the fourth studio album by American singer-songwriter Taylor Swift.
 It was released on October 22, 2012, by Big Machine Records, as the follow-up to her third studio album, "Speak Now".
 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.
 "Red" touches on Swift's signature themes of love and heartbreak, however, from a more mature perspective while exploring other themes such as fame and the pressure of being in the limelight.
 The album features collaborations with producers and guest artists such as Gary Lightbody of Snow Patrol and Ed Sheeran and is noted for Swift's experimentation with new musical genres.
 Swift completed The Red Tour in support of the album on June 12, 2014, which became the highest-grossing tour of all time by a country artist, grossing over $150 million.
The Jingle Bell Ball is a concert held every year in December, by the Global Radio-owned Capital network at The O2 Arena.
 Artists that have headlined the ball are Janet Jackson, Taylor Swift, Take That, The Black Eyed Peas, Cheryl Cole, Girls Aloud, Jessie J, Katy Perry, Kylie Minogue, Lady Gaga, Rihanna, Shakira, Justin Bieber, Shawn Mendes and Pink.
 Other notable acts who have performed at the Ball include Little Mix, One Direction, Bruno Mars, JLS, Miley Cyrus, Dua Lipa, The Pussycat Dolls, Taio Cruz, Tinie Tempah, David Guetta, Years & Years, Jason Derulo, Rita Ora, The Wanted, 5 Seconds of Summer, Ed Sheeran, OneRepublic, Calvin Harris and The Vamps.
 A portion of ticket sales profit is donated to Global's Make Some Noise, Capital's flagship charity, formerly known as Help a Capital Child and Help a London Child.
"Bloodstream" is a song recorded by English singer-songwriter, Ed Sheeran for his second studio album, "×" (2014).
 It was written by Sheeran, Rudimental, and Snow Patrol members – Johnny McDaid and Gary Lightbody.
 Production was handled by Rick Rubin.
"Everything Has Changed" is a song written and performed by American singer-songwriter Taylor Swift and English singer-songwriter Ed Sheeran, taken from Swift's fourth studio album, "Red" (2012).
 Produced by Butch Walker, the track was released as the sixth single from the album on July 16, 2013.
 "Everything Has Changed" is a guitar ballad combining folk and pop genres about "wanting to get to know a new lover better".