Question: Saint Vitus and Pentagram had what in common when it came to the music industry?
Context: Saint Vitus is an American heavy metal band formed in Los Angeles in 1979.  They are one of the first doom metal bands, alongside Pentagram, Witchfinder General, Trouble and Pagan Altar.  Having released eight studio albums to date, Saint Vitus never achieved a popular breakthrough, but have exerted great influence on the development of doom metal, sludge metal, and stoner rock. Saint Vitus dance, named after Saint Vitus, may refer to: Lillie: F-65 is the eighth studio album by the American doom metal band Saint Vitus, which was released on April 27, 2012 (May 22, 2012 in the United States).  This is the first Saint Vitus studio album since "Die Healing" (1995) and the first to feature Scott "Wino" Weinrich on vocals in 22 years, since "V" (1990).  It also marks their first album with Henry Vasquez on drums. Saint Vitus is the debut album by doom metal pioneers Saint Vitus released in early 1984 via SST Records.  According to Dave Chandler, the album was recorded in 1982, but was delayed by nearly two years, due to a lawsuit that SST was involved in.  It was released on both vinyl and cassette, and later on CD; all three formats are currently difficult to find.  "White Magic/Black Magic" and "Saint Vitus" are included on the compilation album "Heavier Than Thou".  Along with Trouble's "Psalm 9", "Saint Vitus" is considered by many one of the first doom metal albums to be released. Saint Vitus is a bar and music venue located in the Greenpoint neighborhood of Brooklyn, New York.  Opened in April 2011, the 2500 sqft venue is known for its heavy metal atmosphere.  Some notable metal bands that have played there include Pentagram and Black Anvil.  In April 2014, the surviving members of Nirvana performed at Saint Vitus with Joan Jett and Kim Gordon.  Pitchfork writer Brandon Stosuy has also booked bands at the venue, such as Converge, Iceage, and Deafheaven. Die Healing is the seventh album by doom metal pioneers Saint Vitus, which was released in 1995 by Hellhound Records.  It was their final album before their breakup in 1996.  "Die Healing" marked the only Saint Vitus album to feature Scott Reagers on vocals since 1985's "Hallow's Victim" and their last recorded with original drummer Armando Acosta, although he was part of their 2003 and 2008–2009 reunions before he died in 2010.  In 2010, the album was reissued on limited-edition vinyl by Buried By Time And Dust Records. Live is a live album by Saint Vitus recorded on November 10, 1989 at Germany's Circus Gammelsdorf.  The album was released in 1990 on Hellhound Records.  It was re-released by Southern Lord Records in 2005.  This was the final release to feature singer Scott "Wino" Weinrich until he rejoined Saint Vitus some years later, performing on their 2012 album "". Heavier Than Thou is a Saint Vitus compilation album put out by SST Records in 1991.  It features tracks taken from each of their releases on SST.  Although this compilation was released after "V", it contains none of the songs from that album as Saint Vitus had switched record labels by that time. Hallow's Victim is the second studio album by the American doom metal band Saint Vitus.  It was released in 1985 by SST Records.  This album was the last to feature original singer Scott Reagers until their seventh album, "Die Healing" (1995).  Reagers also appears on "The Walking Dead" EP that was released the same year.  It remained the only Saint Vitus album not to be officially released on CD until SST officially released the album on CD in combination with "The Walking Dead" in 2010. Pentagram is an American heavy metal band from Alexandria, Virginia, most famous as one of the pioneers of heavy metal, and the subgenre of doom metal in particular.  The band was prolific in the underground scene of the 1970s, producing many demos and rehearsal tapes, but did not release a full-length album until reforming in the early 1980s with an almost completely new lineup.  Throughout the band's history the only constant member has been vocalist Bobby Liebling.  The revolving lineup of Pentagram has featured many well respected musicians in the local doom metal scene, with members spending time in other acts such as Raven, the Obsessed, Place of Skulls, Internal Void, Spirit Caravan, among many others.
Answer: They are one of the first doom metal bands