Question: Why has Doug the Pug made an appearance with Ed Sheeran? 

Context articles: New Zealand top 50 singles of 2014
Jumpers for Goalposts: Live at Wembley Stadium
J Farell
Drunk (Ed Sheeran song)
Doug the Pug
Ed Sheeran
Songs I Wrote with Amy
Castle on the Hill (song)
One (Ed Sheeran song)
Photograph (Ed Sheeran song)

This is a list of the top-selling singles in New Zealand for 2014 from the Official New Zealand Music Chart's end-of-year chart, compiled by Recorded Music NZ.
 English singer-songwriter Ed Sheeran had the most songs in the top 50, with four.
 The chart also includes three songs by New Zealand artists: "Freaks" by Australian DJ Timmy Trumpet and New Zealand rapper Savage, and "Holding You" by Ginny Blackmore and Stan Walker, and "Bridges" by Broods.
 Four songs also featured in the New Zealand top 50 singles of 2013: Katy Perry's songs "Roar" and "Dark Horse", "I See Fire" by Ed Sheeran, "The Monster" by Eminem and "Timber" by Pitbull.
 The 2014 chart was the first to include online streaming as well as sales data.
Jumpers for Goalposts: Live at Wembley Stadium is a home video by English singer-songwriter Ed Sheeran, released on Blu-ray on 13 November 2015.
 It features the footage taken from Sheeran's x Tour, when he became the first solo artist to take the stage at Wembley Stadium in London and played across three sold out nights to a crowd of 240,000 people.
 "Jumpers for Goalposts: Live at Wembley Stadium" features performances of hits like "The A Team", "Sing" or "Thinking Out Loud".
 Sir Elton John duets with Sheeran on two songs.
 Aside from the live performances, "Jumpers for Goalposts: Live at Wembley Stadium" gives viewers an insight into life backstage on the road with Sheeran.
 Simultaneously, "Jumpers for Goalposts: Live at Wembley Stadium" was released on DVD as part of the re-release of Sheeran's 2014 "x" album.
 This CD/DVD combo titled "x (Wembley Edition)" also includes five new tracks on the CD portion.
Justin Farell Alamar (born April 23, 1982), better known as J Farell, is an American music producer from Cherry Hill, NJ.
 He graduated from Rutgers University where he was first exposed to music production.
 J Farell broke into the recording industry in 2010 and is best known for producing remixes for artists such as Kreayshawn, J. Cole, Roscoe Dash, Gorilla Zoe, Hyper Crush, Gotye, Driicky Graham, Rita Ora, Wiz Khalifa, Eva Simons, Bruno Mars, Ed Sheeran, and more.
 He received his first official placement with Entertainment One for the remix of Gorilla Zoe's song "Twisted".
 In March 2011, it debuted on Philadelphia's radio station Wired 96.5.
 This remix was digitally released on iTunes by Atlantic Records on May 23, 2011.
 J Farell first received widespread recognition on August 29, 2011 when his remix of Kreayshawn's single "Gucci Gucci" went viral on YouTube and gained over 7 million views in under 12 hours.
 A week later, the video charted at #7 on YouTube's Top 100 Music Videos.
 In 2013, Ed Sheeran spoke about J Farell's remix of his song The A Team with Ralphie Aversa on WPLJ's The Ralphie Radio Show.
 J Farell began working on a collaboration project with Dj Beatstreet and Dj Suraci.
 In May 2015, the trio formed the group Money Drop and, two months later, released their first collaborative single entitled Everything on Fleek.
 With the help of Interscope Records in July 2015, J Farell landed the official remix of Good For You by Selena Gomez featuring A$AP Rocky.
 In November 2015, J Farell collaborated with singer/songwriter Todd Carey and created a refreshed, doo-wop style remix of Todd's single "OMG".
 On December 4, 2015, the official OMG Remix was released to a positive response on social media.
 His work is noted by an announcer or a giggling woman saying the "J Farell" tagline in most of his recent music.
"Drunk" is a song by English singer-songwriter Ed Sheeran.
 It was released as the fourth single lifted from the debut studio album "+" on 17 February 2012.
 The song was written by Ed Sheeran and Jake Gosling and produced by Gosling.
 The single entered the UK Singles Chart at number 63.
 The week after, it climbed to number 29.
 Later on, it climbed to number 9, making it his fourth top ten single.
Doug the Pug is a Pug living in Nashville, Tennessee who has gained a large internet and social media following.
 Born in Ohio, Doug made the move to Nashville as a puppy when his owner, Leslie Mosier, adopted him and brought him to his current home.
 He has a large following on social media and has reached the status of a "celebrity dog."
 He is the most followed Pug on the internet.
 Doug's Facebook page has over 5.9 million likes, his Instagram account has over 2.8 million followers and his Twitter account has over 1 million followers.
 He also has his own Vine, Spotify and YouTube accounts.
 Doug has made appearances with various celebrities and appeared at special events such as music festivals.
 Among these celebrity friends are Ed Sheeran, Justin Bieber, Meghan Trainor, John Legend, and many more.
 He also appeared in Katy Perry's music video for "Swish Swish".
Edward Christopher Sheeran, {'1': ", '2': ", '3': ", '4': "} (born 17 February 1991) is an English singer-songwriter, guitarist, and record producer.
 He was born in Halifax, West Yorkshire, and raised in Framlingham, Suffolk.
 He attended the Academy of Contemporary Music in Guildford, Surrey, as an undergraduate from the age of 18 in 2009.
 In early 2011, Sheeran independently released the extended play, "No. 5 Collaborations Project".
 After signing with Asylum Records, his debut album, "+" (read as "plus"), was released on 9 September 2011 and has since been certified seven-times platinum in the UK.
 The album contains the single "The A Team", which earned him the Ivor Novello Award for Best Song Musically and Lyrically.
 In 2012, Sheeran won the Brit Awards for Best British Male Solo Artist and British Breakthrough Act.
Songs I Wrote with Amy is an extended play, independently released by Ed Sheeran on April 4, 2010.
 After the success of +, Sheeran re-released five of his EPs, including "Songs I Wrote with Amy", which was released a second time on December 9, 2011.
 All of the songs were written collaboratively by Ed Sheeran and Amy Wadge.
"Castle on the Hill" is a song by English singer-songwriter Ed Sheeran.
 It was released as a digital download on 6 January 2017 as one of the double lead singles from his third studio album "÷" (2017), along with "Shape of You".
 "Castle on the Hill" was written and produced by Ed Sheeran and Benny Blanco.
"One" is a song recorded by English singer-songwriter Ed Sheeran for his second studio album, "x" (2014).
 Sheeran wrote the song immediately after releasing his debut album, "+" (2011).
 It marked the last occasion wherein Sheeran wrote about his former girlfriend, who inspired all the romantic compositions on "+".
 "One" was produced by frequent collaborator Jake Gosling and its music was based primarily on acoustic guitar.
 Critics were generally positive toward the song; it was noted for its guitar-driven sound and Sheeran's use of falsetto.
"Photograph" is a song recorded by the English singer-songwriter, Ed Sheeran, for his second studio album, "×" (2014).
 Sheeran wrote the song with Snow Patrol member, Johnny McDaid, who had a piano loop from which the composition developed.
 After recording several versions with other producers, Sheeran eventually solicited help from Jeff Bhasker; the collaboration generated a version that Bhasker further enhanced for months.
 The ballad derives its music primarily from an acoustic guitar, piano and programmed drums.
 With visually descriptive lyrics, it discusses a long-distance relationship inspired by Sheeran's own experience of being away from his then-girlfriend while he was on tour.
 IDA