Question: Limahl and Justin Pierre, share which mutual occupation?

Context paragraphs:
Even If It Kills Me: Even if It Kills Me is the third studio album by American rock band Motion City Soundtrack.  Produced by Ric Ocasek, Adam Schlesinger and Eli Janney, the album was released on September 18, 2007, in the United States by Epitaph Records.  Motion City Soundtrack, based in Minneapolis, Minnesota, made a breakthrough with their second album, "Commit This to Memory", garnering praise and independent buzz upon its 2005 release.  Following the release, the band toured relentlessly over the next two years, during which time frontman Justin Pierre struggled with alcohol and substance abuse.  These addictions were infused into the writing process of "Even If Kills Me", which was recorded in early 2007 Stratosphere Studios in Chelsea and the legendary Electric Lady Studios in Greenwich Village.

List of songs recorded by Motion City Soundtrack: American rock band Motion City Soundtrack recorded songs for six studio albums, various soundtracks, compilations, and non-album singles.  The majority of the group's original material was written by vocalist and guitarist Justin Pierre.  The band also recorded cover versions of other artists' songs at various points throughout their career, including by the Beatles, Limbeck, the Police, R.E.M., the Rentals, Rilo Kiley, Trampled by Turtles, and the Weakerthans.  In all, the group recorded 107 songs, nine of which were covers.

Lucilia coeruleiviridis: Lucilia coeruleiviridis, formerly "Phaenecia coeruleiviridis", is commonly known as the green bottle fly, because of its metallic blue-green thorax and abdomen.  "L. coeruleiviridis" was first discovered by French entomologist Justin Pierre Marie Macquart in 1855.  It belongs to the Calliphoridae family and is one of many forensically important Diptera, as it is often found on decaying substances.  "L. coeruleiviridis" is one of the most ubiquitous blow fly species in the southeastern United States, particularly in the spring and fall months.

Justin Pierre (actor): Justin Pierre is a British actor working in theatre, film and television.  His numerous roles have included Prince Ivar in Saban's "The Mystic Knights of Tir Na Nog", Mike in World Productions series Attachments (BBC), Dave Summers in the series Burnside (ITV) and Guillermo del Toro's Hellboy II: The Golden Army.

Justin Trudeau: Justin Pierre James Trudeau (born December 25, 1971) is a Canadian politician.  He is the 23rd and current Prime Minister of Canada and leader of the Liberal Party.  The second youngest prime minister after Joe Clark, he is also, as the eldest son of former Prime Minister Pierre Trudeau, the first to be related to a previous holder of the post.

Justin Pierre: Justin Courtney Pierre (born May 26, 1976) is a singer, songwriter and guitarist originally from Mahtomedi, Minnesota, United States.  He was the co-founder and lead vocalist of the pop punk band Motion City Soundtrack, and is known for his interests and pursuits in film making and production of music.

Farewell Continental: Farewell Continental is an American rock band from Minneapolis, Minnesota, formed in 2008.  The group is the side project of Motion City Soundtrack frontman, Justin Pierre.  The group also features keyboardist and vocalist Kari Gray, guitarist Thomas Rehbein, bassist Jim Adolphson and Josh McKay.  They have released two EPs and a full-length LP through Paper + Plastick Records.

I Am the Movie: I Am the Movie is the debut studio album by American rock band Motion City Soundtrack, released on June 23, 2003 through Epitaph Records.  The group was formed in 1997 by vocalist Justin Pierre and guitarist Joshua Cain.  It went through several lineup changes before stabilizing with the addition of keyboardist Jesse Johnson and drummer Tony Thaxton, both of whom joined in 2001.  The band recorded several EPs prior to recording a full-length album, and their first attempts at doing so were unsuccessful.

Limahl: Christopher Hamill (born 19 December 1958), better known by his stage name Limahl (an anagram of Hamill), is an English pop singer.  He rose to fame as the lead singer of the 1980s pop group Kajagoogoo, before embarking on a briefly successful solo career, which reached its peak with the 1984 hit "The NeverEnding Story", the theme song for the film of the same name.

Justin Pierre (footballer): Justin Pierre (born 13 September 1981) is a Caymanian footballer who plays as a forward.  He has represented the Cayman Islands at full international level.

Supporting paragraphs: Limahl Justin Pierre
Answer: singer