Question: Are David Byrne and Justin Pierre both musicians?

Context articles: Justin Trudeau
David Byrne Live at Union Chapel
Here Lies Love (musical)
Love This Giant
SexyBack
Todo Mundo
Ride, Rise, Roar
Justin Pierre
Songs of David Byrne and Brian Eno Tour
David Byrne

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.
David Byrne Live at Union Chapel is a DVD of a live performance at the London church of the same name by David Byrne released on October 26, 2004.
Here Lies Love is a biographical 'poperreta' musical, based on the concept music album by David Byrne and Fatboy Slim.
 The concept album is based on David Byrne's research on the life of former Philippine first lady Imelda Marcos.
 The musical is a production of three-time Tony Award winner Jhett Tolentino and has been shown in the United States and the United Kingdom.
Love This Giant is a studio album made in collaboration between David Byrne and St. Vincent, released on 4AD and Todo Mundo on September 10, 2012, in the United Kingdom and a day later in the United States.
 Byrne and Annie Clark began working together in late 2009, using a writing and promotion process that Byrne had previously used on his 2008 collaboration with Brian Eno "Everything That Happens Will Happen Today".
 The duo had previously played together live at a St. Vincent show and on the album "Here Lies Love".
 The performers enlisted a variety of brass musicians to augment their songwriting and toured over the following year to promote the album.
"SexyBack" is a song recorded by American singer-songwriter Justin Timberlake for his second studio album, "FutureSex/LoveSounds" (2006).
 It was released on July 18, 2006, to US mainstream and rhythmic radio stations by Jive Records as the lead single from the album.
 The song was written and produced by Nate Hills, Tim Mosley, and Timberlake himself.
 Discussing "SexyBack", Timberlake revealed that he went "left", singing the song in a rock style, not an R&B style.
 He described the song as musicians David Bowie and David Byrne "covering" James Brown's 1970 song "Sex Machine".
 The track features Timbaland on backing vocals, while Timberlake's voice is distorted.
 The instrumentation used in the song includes a pounding bass beat, electronic chords, and drum machine sounds.
Todo Mundo is an independent record label founded by David Byrne in 2008.
 The first releases from the label were Byrne's soundtrack to season two of "Big Love"—""—and his collaboration with Brian Eno "Everything That Happens Will Happen Today".
 The name is Spanish and Portuguese for worldwide, literally "all the world" and is taken from the lyrics of Byrne's song "Make Believe Mambo", off of his album "Rei Momo".
Ride, Rise, Roar is a documentary film chronicling the Songs of David Byrne and Brian Eno Tour conducted by David Byrne in 2008–2009.
 The film includes concert footage, footage of the planning and rehearsals for the tour, and exclusive interviews with Byrne, Eno, and the supporting musicians and dancers.
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.
The Songs of David Byrne and Brian Eno Tour is a 2008–2009 promotional concert tour of music co-written by David Byrne and Brian Eno with performances by Byrne.
 In addition to being a retrospective of the duo's collaborations, the tour promoted the album "Everything That Happens Will Happen Today".
 The musical performers were accompanied by dancers who were choreographed to several songs.
 Performances were held across the world and later documented on a tour EP and a concert film.
David Byrne ( ; born 14 May 1952) is a Scottish-born American musician who was the founding member, principal songwriter, and lead singer and guitarist of the American new wave band Talking Heads, active between 1975 and 1991.
 Byrne is a multi-instrumentalist and is known for his distinctive voice.