Question: Walk Through Exits Only is a solo album by Phil Anselmo, former member of which heavy metal band?

Context articles: The Great Southern Trendkill
A Lethal Dose of American Hatred
Walk Through Exits Only
Cemetery Gates
Pantera
Down (band)
Loudwire
Stephanie Opal Weinstein
Power Metal (album)
Hank Williams III

The Great Southern Trendkill is the eighth studio album by American heavy metal band Pantera, released on May 7, 1996 by EastWest Records.
 It reached number 4 on the "Billboard" 200 chart, and managed to stay on the chart for over 16 weeks.
 Due to tension and conflicts within the band, Phil Anselmo recorded the vocals alone at Trent Reznor's Nothing Studios in New Orleans while Dimebag Darrell, Rex Brown and Vinnie Paul recorded the music at Chasin Jason Studios in Dallas.
A Lethal Dose of American Hatred is the second album by sludge metal band Superjoint Ritual.
 Former "touring only" bassist Hank Williams III played on this album.
 Nearly every song begins with a count-in by Phil Anselmo.
 "Waiting for the Turning Point" and "Stealing a Page or Two From Armed & Radical Pagans" are finished versions of the two bonus demos released on their first album, "Use Once and Destroy".
Walk Through Exits Only is the debut solo album by former Pantera frontman Phil Anselmo.
 It was released in July 16, 2013 under Anselmo's own label, Housecore Records.
 This album has been compared to Pantera's 1996 album The Great Southern Trendkill due to Anselmo's extreme vocals and very heavy guitar riffs.
"Cemetery Gates" is a power ballad by American heavy metal band Pantera.
 The song is the fifth track from "Cowboys from Hell", the band's fifth album and second with lead singer Phil Anselmo.
 "Cemetery Gates" showcases Anselmo's vocal ability and range, concluding with screaming high notes answered by Dimebag Darrell on guitar in a trade-off.
Pantera was an American heavy metal band from Arlington, Texas.
 The group was formed in 1981 by the Abbott brothers – drummer Vinnie Paul and guitarist Dimebag Darrell – along with lead vocalist Terry Glaze.
 Bassist Rex Brown joined the band the following year, replacing Tommy D. Bradford, who was the unofficial original.
 Having started as a glam metal band, Pantera released four albums during the 1980s.
 Looking for a new and heavier sound, Pantera replaced Glaze with Phil Anselmo in late 1986 and released "Power Metal" in 1988.
 With its fifth album, 1990's "Cowboys from Hell", Pantera introduced a groove metal sound.
 Pantera's sixth album, 1992's "Vulgar Display of Power", exhibited an even heavier sound. "
Far Beyond Driven" (1994) debuted at number one on the "Billboard" 200.
Down is an American heavy metal supergroup that formed in 1991 in New Orleans, Louisiana.
 The band's current lineup consists of vocalist Phil Anselmo (Pantera), guitarist Pepper Keenan (Corrosion of Conformity), guitarist Bobby Landgraf (Honky), bassist Pat Bruders (Goatwhore), and drummer Jimmy Bower (Crowbar, Eyehategod, and Superjoint Ritual).
 Since their formation, Down has gone on hiatus twice and they have released five studio albums.
 The first three were LPs entitled "NOLA" (1995), "" (2002), and "" (2007).
 In 2008, the band began working on additional material, which resulted in two EPs entitled "Down IV – Part I", released in September 2012 and "Down IV – Part II", released in May 2014.
Loudwire is an online magazine that covers hard rock and heavy metal music.
 It is owned by media and entertainment business Townsquare Media.
 Since its launch in August 2011, "Loudwire" has secured exclusive interviews with Ozzy Osbourne, Metallica, Judas Priest, Guns N' Roses, Megadeth, Mötley Crüe, Suicidal Tendencies and many others.
 "Loudwire" has also exclusively premiered new material from Judas Priest, Anthrax, Jane's Addiction, Stone Sour, Phil Anselmo and many more of rock and metal's biggest acts.
Stephanie Opal Weinstein (born 1973) is an American musician.
 She is the ex-wife of Pantera frontman Phil Anselmo.
 They were married on the 31st of October 2001, on Anselmo's property in Louisiana.
 That same year they created an acoustic band called Southern Isolation, releasing a self-titled EP.
 The original EP contained four songs, with the re-release containing a fifth song, "Southern Man I Am" in which Anselmo joined Weinstein on vocals.
 Before Southern Isolation, Weinstein was in a New Orleans-based band called Virago.
 They released one album called Transition on St. Rock Records.
 Weinstein sang and wrote/co-wrote several of their songs.
 During her time with Anselmo, Weinstein joined several of his side projects including Viking Crown, the unreleased Body and Blood, and the death metal band Necrophagia.
 She appeared in Necrophagia's DVD release "Through the Eyes of the Dead", and sang back up vocals along with Anselmo's sister on Down's song "Landing on the Mountains of Meggido" from .
 In 2004, Weinstein and Anselmo divorced.
 Later that year she auctioned off some items she was given by Anselmo during the time they were together.
 The comment on the auctions said:
Power Metal is the fourth studio album by heavy metal band Pantera, released in May 1988 through Metal Magic Records.
 It is the first Pantera album to feature Phil Anselmo on vocals, as part of a line-up which would last until the band's official split in 2003.
Shelton Hank Williams (born December 12, 1972), known as Hank Williams III and Hank 3, is an American musician, singer and multi-instrumentalist.
 Williams' style alternates between outlaw country, punk rock and metal.
 He is the principal member of the punk metal band Assjack, the drummer for the Southern hardcore punk band Arson Anthem, and was the bassist for Pantera singer Phil Anselmo's band Superjoint Ritual.
 He has released seven studio albums, including five for Curb Records.
 Williams is the grandson of Hank Williams, the son of Hank Williams, Jr., and the half-brother of Holly Williams.