Question: Are Glen Benton and Thomas Erak both musicians?

Context paragraphs:
Till Death Do Us Part (Deicide album): Till Death Do Us Part is the ninth studio album by American death metal band Deicide, released on April 28, 2008.  This is the band's longest album having 42:15 minutes long and presents some Doom Metal influences.  Initial copies of the album included a sew-on patch with an image of vocalist Glen Benton and the phrase "Glen Benton for President".  The album was also released on several colours of vinyl in limited numbers.  The artwork of the album cover is a segment of the painting "Woman and Death" (1518-1520) by Hans Baldung.

The Fall of Troy: The Fall of Troy is an American post-hardcore band from Mukilteo, Washington.  The band is a trio consisting of Thomas Erak (guitars, vocals, keyboards), Andrew Forsman (drums, percussion) and Tim Ward (bass, screamed vocals) who was later replaced by Frank Ene following his departure from the band in late 2007.  Ene would remain in the band until their initial break-up in 2010, but Ward rejoined the band in Ene's place for their reunion in 2013.  Drew Pelisek, formerly of CHON, has been touring with the band on bass and backing vocals since 2017 and both he and Ward are considered to be official members

Deicide (band): Deicide is an American death metal band formed in 1987 by brothers and guitarists Brian and Eric Hoffman and drummer Steve Asheim as "Carnage", then hiring bassist/vocalist Glen Benton and becoming "Amon".  They would later change the band name to Deicide in 1989.  The band rose to mainstream success in 1992 with their second album "Legion", and is credited as the second best-selling death metal band of the Soundscan Era, after Cannibal Corpse.  Since their debut album in 1990, Deicide has released eleven studio albums, one live album, two compilation albums and two live DVDs.  In November 2003, their first two albums, "Deicide" and "Legion", were ranked second and third place respectively in best-selling death metal albums of the SoundScan era.  Deicide is known for their lyrics, which cover topics such as Satanism, anti-Christianity and blasphemy.  Their lyrics have resulted in bans, lawsuits and criticism from religious groups and the public.

Icons of Evil: Icons of Evil is the sixth album by Vital Remains.  It was released in April 2007.  The sample in "Where is Your God Now" is taken from the Mel Gibson film "The Passion of the Christ" and from William Peter Blatty's "The Exorcist".  "Icons of Evil" is the last album to feature vocalist Glen Benton and guitarist Dave Suzuki.

Glen Benton: Glen Benton (born June 18, 1967) is an American death metal musician.  He is best known as the lead vocalist and bassist for the death metal band Deicide and was also a part of the band Vital Remains, where he has performed in recording sessions as well as live with them on a few occasions.  He is currently collaborating with Egyptian Artist Nader Sadek on his next record " The Malefic: Chapter II".  He is known for very low guttural growls as well as very high shrieks.

Illuminaudio: Illuminaudio is the third studio album by American post-hardcore band Chiodos.  It was released on October 5, 2010 through Equal Vision Records.  "Illuminaudio" is the first and only studio album from the band with vocalist Brandon Bolmer, formerly of Yesterdays Rising, after the departure of Craig Owens.  Owens would return to the band in 2012, replacing Bolmer.  This is also the first and only album with drummer Tanner Wayne, formerly of Underminded.  He would leave the band in 2012, to be replaced by former drummer Derrick Frost.  This is also the last album with original guitarist Jason Hale.  He would leave the band in 2012 to be replaced by The Fall of Troy's guitarist and vocalist Thomas Erak.  As of March 2014, the album has sold 49,000 copies in the United States.

Dechristianize (album): Dechristianize is the fifth album by American death metal band Vital Remains.  It was released on August 22, 2003.  The lyrics deal with the Dechristianization of France during the French Revolution.  The intro - "Let the Killing Begin" - features a section of Carl Orff's "O Fortuna" and voices from the movie "The Greatest Story Ever Told".  This album was the first to feature Deicide vocalist Glen Benton, and is generally considered to be the band's breakthrough album.

Eaten Back to Life: Eaten Back to Life is the debut album by American death metal band Cannibal Corpse.  It was released on August 17, 1990, through Metal Blade Records.  The album was banned in Germany—censored versions of the album were not available, but the ban was revoked in June 2006 —and other countries because of the violent cover and the extreme nature of the lyrics.  Glen Benton of Deicide and Francis H. Howard of Opprobrium (then known as Incubus) perform back-up vocals on "Mangled" and "A Skull Full of Maggots".

Thomas Erak: Thomas Erak is an American musician from Mukilteo, Washington, best known as a founding member of the Seattle-based progressive post-hardcore band, The Fall of Troy and as a former member of the band Chiodos.

The Stench of Redemption: The Stench of Redemption is the eighth studio album by American death metal band Deicide.  It is the first album by the band to feature Jack Owen (formerly of Cannibal Corpse) and Ralph Santolla (formerly of Iced Earth) on guitars.  Some editions of the album include a cover of "Black Night" by Deep Purple, with rewritten lyrics by Glen Benton.

Supporting paragraphs: Glen Benton Thomas Erak
Answer: yes