"The Fox (What Does the Fox Say?)"
 is an electronic dance novelty song and viral video by Norwegian comedy duo Ylvis.
 The top trending video of 2013 on YouTube, "The Fox" was posted on the video-sharing website on 3 September 2013, and has received over 690 million views as of August 2017.
 "The Fox" peaked at the top of the Norwegian Singles Chart and was hugely successful in the United States, where it peaked at number six on the "Billboard" Hot 100 for three consecutive weeks, and was, before the US release of "Am I Wrong" by Nico & Vinz, the highest-ranked song by a Norwegian artist on the chart since A-ha's number-one song "Take on Me" in 1985.
"I Will Never Be a Star" is a single by the Norwegian duo Ylvis, although it was the brothers' little brother, Bjarte Ylvisåker, who sang the song.
 It was uploaded onto YouTube on October 14, 2014, and had over 4.7 million views as of 18, 2016 .
 In the song Bjarte sings about living in the shadow of his two older brothers' success.
 The song was released as a part of Ylvis' TV show "I Kveld Med Ylvis LIVE" on TVNorge.
Ylvis (] ) is a Norwegian comedy duo consisting of brothers Vegard and Bård Ylvisåker.
 They debuted as professional variety artists in 2000 and have since appeared in several countries in variety shows, comedy concerts, television shows, radio shows and music videos.
 They are currently the hosts of the Norwegian talk show "I kveld med Ylvis" ("Tonight with Ylvis").
 Their song and music video "The Fox (What Does the Fox Say?)
", written and filmed for the talk show, went viral on YouTube in September 2013, with over 692 million views as of September 2017 .
 They have also released an album called "" that is a mixture of ten singles that they wrote in the past.
Stone and Stone is an American comedy duo consisting of twin brothers, Adam and Todd Stone (born on March 22, 1983).
I kveld med YLVIS ("Tonight with Ylvis") is a Norwegian talk show hosted by Bård and Vegard Ylvisåker, with Calle Hellevang-Larsen as a permanent sidekick.
 During season 2 Calle was replaced by David Batra due to obligations he had made with his comedy group Raske Menn and their show on the rival channel TV2.
 Magnus Devold is also a permanent part of the show and often contributes with several segments per show.
Tre brødre som ikke er brødre (meaning "Three brothers who aren't brothers") is a Norwegian comedy television show which ran for six episodes during the autumn of 2005 on the Norwegian public broadcaster NRK.
 It featured noted comedians Harald Eia, Bård Tufte Johansen and Atle Antonsen.
The Geezinslaw Brothers, also known as The Geezinslaws, is an Austin, Texas-based country music comedy duo consisting of Sammy Allred and Dewayne "Son" Smith.
 They have been performing for more than 50 years and released numerous recordings over a 40+ year span from 1963 to 2005.
The DecimalBrothers (Decimal Brothers) are a web-based comedy duo consisting of two brothers, Homam Nasser and Mollie Nasser.
 They began posting videos on YouTube in February 2008, obtaining early success with the help of popular YouTuber, Davedays, who has premiered their first video on his YouTube Channel.
 Actors Ashton Kutcher and Liam Neeson have since posted a video of theirs on their Twitter accounts, gaining them more recognition.
 They have drawn viewers from some 100 countries, though they are most popular in the United States, the United Kingdom and the Middle East.
Åpen Post was a Norwegian sketch comedy television program that ran on the Norwegian state channel NRK from 1998 till 2002.
 It was created and hosted by Harald Eia and Bård Tufte Johansen.
 The show started in a talk show format with interviews and guests but later leaned more towards being a pure sketch show.
 The show became one of Norway's most popular TV productions though it was the center of criticism due to controversial episodes such as Bård Tuft Johansens "Chicken stunt", involving the then Norwegian Labour Party leader Thorbjørn Jagland.
The Nelson Brothers (or Nelson Twins, Nelson Bros) are an Australian-based stand-up comedy duo consisting of identical twins Chris and Justin Nelson.

Question: Which Norwegian comedy duo consisting of brothers Vegard and Bård Ylvisåker sang "I Will Never Be a Star"
Answer: Ylvis