Question: Are both Tahita Bulmer and Angela Gossow singers?

Context articles: Doomsday Machine (album)
Tahita Bulmer
Arch Enemy
Wages of Sin
War Eternal
Burning Angel (EP)
Arch Enemy discography
Catherine Steadman
Angela Gossow
Pure DOPE

Doomsday Machine is the sixth studio album by Swedish death metal band Arch Enemy, produced by Rickard Bengtsson and mixed by Andy Sneap.
 It is the third album to feature the vocals of Angela Gossow.
 The album had some commercial success reaching number 87 on the "Billboard" 200 selling 12,000 copies.
 Christopher Amott left the band shortly after recording the album in July 2005 but rejoined 2 years later for the songwriting sessions for "Rise of the Tyrant".
Tahita Rotardier Bulmer (born 29 April 1981) is an English singer-songwriter.
 She is known for her true contralto voice.
Arch Enemy is a Swedish melodic death metal band, originally a supergroup, from Halmstad, formed in 1996.
 Its members were in bands such as Carcass, Armageddon, Carnage, Mercyful Fate, Spiritual Beggars, Nevermore, and Eucharist.
 It was founded by Carcass guitarist Michael Amott along with Johan Liiva, who were both originally from the influential death metal band Carnage.
 The band has released ten studio albums, three live albums, three video albums and four EPs.
 The band was originally fronted by Johan Liiva, who was replaced by German Angela Gossow as lead vocalist in 2000.
 Gossow left the band in March 2014 and was replaced by Canadian Alissa White-Gluz, while remaining as the group's manager.
Wages of Sin is the fourth studio album by the Swedish melodic death metal band Arch Enemy.
 It is the first Arch Enemy album to feature the vocals of Angela Gossow.
 It is also the first album they use Standard-C tuning, which they still use today.
 It was released on April 25th, 2001 in Japan, but the European and American releases were delayed to March 18th, 2002.
War Eternal is the ninth studio album by Swedish melodic death metal band Arch Enemy, which was released on June 9, 2014 by Century Media.
 It is the first Arch Enemy album in 13 years since Wages of Sin to feature a new line-up; Alissa White-Gluz took over on vocals after former long-time vocalist Angela Gossow stepped down from vocal duties to be the band's business manager.
 Additionally, ex-Arsis guitarist Nick Cordle replaced Christopher Amott in 2012.
 Cordle ultimately left the band just before their European tour and was replaced by former Nevermore Guitarist Jeff Loomis
Burning Angel is the first EP from the Swedish melodic death metal band Arch Enemy.
 It was released on March 6, 2002.
 It is Arch Enemy's second release with vocalist Angela Gossow, who took Johan Liiva's place in the band.
 The song "Starbreaker" is a Judas Priest cover from the album "Sin After Sin".
The following is a comprehensive discography of Arch Enemy, a Swedish melodic death metal band that formed in 1996.
 Its members were in bands such as Carcass, Armageddon, Carnage, Mercyful Fate, Spiritual Beggars, and Eucharist.
 It was founded by Carcass guitarist Michael Amott along with Johan Liiva, who were both originally from the influential death metal band Carnage.
 The band has released ten studio albums, three live albums, three video albums and three EPs.
 The band was originally fronted by Johan Liiva, who was replaced by German Angela Gossow as lead vocalist in 2000.
 Gossow left the band in March 2014 and was replaced by Canadian Alissa White-Gluz, while remaining as the group's manager.
Catherine Steadman is an English actress, best known for playing Mabel Lane Fox in series 5 (2014) of ITV drama "Downton Abbey".
 She also played Nurse Angela Wilson in ITV's 1960s drama "Breathless", Joan Bulmer in the final season of "The Tudors" and Maggie Lewis in the 2016 ITV miniseries "Tutankhamun".
Angela Nathalie Gossow (born 5 November 1974) is a German vocalist, best known as the former lead vocalist for the Swedish melodic death metal band Arch Enemy.
 Her other previous bands include Asmodina and Mistress.
 She is considered to be one of the few successful female metal singers to use growling as her primary singing style.
Pure DOPE is an American magazine and branding agency that focuses on highbrow urban culture and young, fly and affluent tastemakers.
 Its coverage includes entertainers, athletes, hip-hop and R&B artists, film and television stars, fine artists, entrepreneurs, street glam brands, and skateboarders.
 Its name is an acronym for "Don’t Over Process Everything".
 Each edition has an abstract theme with a cultural meaning.
 Popular artists and celebrities to cover Pure DOPE include: August Alsina, Tinashe, French Montana, Dascha Polanco, Sage The Gemini, Jazmine Sullivan, Fabolous, Angela Simmons, Soulja Boy, Cymphonique Miller, Big Sean, Trina, Meek Mill, Keke Palmer, The-Dream, Karen Civil, Dae Dae, Melanie Fiona, Chanel West Coast, Nick Cannon, Draya Michele, Travie McCoy, Angela Yee, Yo Gotti, The Game, Lindsey Morgan, Rich Homie Quan, Bianca Santos, Buster Skrine and many others.
 International singers Agnez Mo (Indonesia) and Maluma (Colombia) have also covered Pure DOPE Magazine.
 Additionally, the outlet has two companion publications: SEXEE Magazine and MANSION Men's Magazine.