Question: Are both Jack Evans and Chester Bennington songwriters?

Context articles: Dead by Sunrise
Stone Temple Pilots
Jack Evans (D.C. politician)
Chester Bennington
The Hunting Party Tour
Darker Than the Light That Never Bleeds
Heavy (Linkin Park song)
High Rise (EP)
Talking to Myself (song)
Jack Evans (musician)

Dead by Sunrise (formerly known as Snow White Tan) was an American post-grunge rock band formed in 2005 by Linkin Park lead singer Chester Bennington.
 The band also consisted of Amir Derakh, Ryan Shuck, Brandon Belsky, Elias Andra, and Anthony "Fu" Valcic from Julien-K and Orgy.
 Dead by Sunrise's debut studio album, "Out of Ashes", was released worldwide on October 13, 2009.
 The band has been on hiatus since 2012.
 Bennington committed suicide in 2017, putting the band's future in doubt.
Stone Temple Pilots (sometimes abbreviated as STP) is an American rock band from San Diego, California, that originally consisted of Scott Weiland (lead vocals), brothers Dean (guitar) and Robert DeLeo (bass, backing vocals), and Eric Kretz (drums).
 From the band's formation in 1989, its line-up remained unchanged until the firing of Weiland in 2013, who was replaced by Linkin Park vocalist Chester Bennington.
 In 2015, Bennington left the band to focus solely on Linkin Park.
 On December 3, 2015, Weiland was found dead on his tour bus before a performance with his band The Wildabouts.
 In 2016, the band launched an online audition for a new lead vocalist.
Jack Evans (born October 31, 1953) is an American Democratic Party politician and a lawyer for Manatt, Phelps & Phillips.
 Representing Ward 2 of Washington, D.C. since 1991, Evans is the D.C. Council's longest serving lawmaker and a two-time mayoral candidate.
 Evans serves as the Chairman of the Board of the Washington Metropolitan Area Transit Authority.
Chester Charles Bennington (March 20, 1976 – July 20, 2017) was an American singer and songwriter.
 He was the lead singer for the rock band Linkin Park and also served as the frontman for Dead by Sunrise and Stone Temple Pilots.
The Hunting Party Tour was the eleventh concert tour by American alternative metal band Linkin Park.
 It was launched in support of Linkin Park's sixth studio album, "The Hunting Party" (2014).
 The tour was partially announced in May 2014 through a teaser released after the release of trailer of a co-headlined tour "Carnivores Tour" by Linkin Park and Thirty Seconds to Mars.
 Later, the tour was officially announced on November 23 with a whole trailer in promotion.
 Its first leg under the name "European Tour" began on May 30, 2014, in Lisboa, Portugal, and ended on June 14 in Castle Donington, England, where they played "Hybrid Theory" as a whole album.
 The tour features special guests Of Mice & Men and Rise Against.
 On January 15, 2015, the band begun the "world" tour for The Hunting Party with the first leg under "North American Tour".
 During a show at Indianapolis, Chester Bennington injured his leg, which led to the cancellation of the tour "North American Tour".
 The band continued the world tour on May 9, performing at the first edition of Rock In Rio in America.
 It is the last full tour to feature Chester Bennington as vocalist before his death in 2017.
"Darker Than the Light That Never Bleeds" (also known as Darker Than the Light That Never Bleeds (Chester Forever Steve Aoki Remix)) is a mashup remix song by American electro house musician Steve Aoki.
 Remixing and mashing up the songs "A Light That Never Comes" and "Darker Than Blood", both of which were collaboratively written and recorded by Linkin Park and Aoki, it is a tribute by Aoki to Linkin Park's late lead singer Chester Bennington following his death.
 It was released as a single on September 8, 2017.
"Heavy" is a song by American rock band Linkin Park, featuring guest vocals from American singer Kiiara.
 The song is the first single from their seventh studio album, "One More Light".
 The song was written by Linkin Park members Chester Bennington, Brad Delson, and Mike Shinoda, alongside Julia Michaels and Justin Tranter.
 The single was released for download on February 16, 2017, and was premiered on radio on February 21.
 It is the band's last single to be released during Bennington's lifetime.
High Rise is the first studio EP by American rock band Stone Temple Pilots, released on October 8, 2013 through Play Pen, LLC.
 It is the first release by the band without former lead vocalist Scott Weiland, who was fired from the band in February 2013.
 It instead features Chester Bennington of Linkin Park on lead vocals, and the band is credited on the EP as "Stone Temple Pilots with Chester Bennington".
 However, this would prove to be the sole release to feature Bennington before his departure from the band in 2015 and death in 2017.
"Talking to Myself" is a song by American rock band Linkin Park.
 The song is the second single from their seventh studio album, "One More Light" and was released on July 25, 2017.
 The music video was released on July 20, 2017, the same day that Linkin Park's lead vocalist, Chester Bennington, was found dead by suicide.
 It is Chester Bennington's first posthumously released single.
Jack Evans (born March 3, 1953, Anamosa, Iowa) is an American musician and songwriter.