Question: Slaves consists of a lead vocalist formerly of what post hardcore band?

full_context: Document 1: This Is Your Way Out: This Is Your Way Out is the first EP record by Emarosa, released May 1, 2007. This is the only release that original members Chris Roetter and Madison Stolzer recorded with Emarosa. Roetter has since formed metalcore bands Agraceful and Like Moths to Flames. This is the band's only release to feature heavy metalcore influences and is also the only release by the group to be produced by Joey Sturgis.
Document 2: Moros Eros: Moros Eros was an American alternative rock band from Marietta, Georgia. The band formed under the name "In Vitro" and released their debut EP "I'm Dying But I Still Don't See Anything" under that name, only to discover the name was already trademarked by a French band. The band renamed themselves Moros Eros (Moros is Greek for "impending doom" and Eros is the Greek god of love). The band signed to Victory Records. The band's debut album "I Saw The Devil Last Night And Now The Sun Shines Bright" was released on October 31, 2006, with the single ""Today Is The Day"" soon following. The band played at the 2007 South by Southwest. The group's most recent album, "Jealous Me Was Killed By Curiosity", arrived in October 2006.
Document 3: List of Avenged Sevenfold members: Avenged Sevenfold is an American heavy metal band from Huntington Beach, California. Formed in 1999, the group originally featured vocalist M. Shadows (Matthew Sanders), guitarist Zacky Vengeance (Zachary Baker), bassist Matt Wendt and drummer The Rev (James Sullivan). Wendt was replaced early by Justin Sane (Justin Meacham), who performed on the group's debut album "Sounding the Seventh Trumpet" before leaving the band the following year after attempting to commit suicide. Dameon Ash (Frank Melcom) replaced Meacham for the album's promotional touring cycle, while lead guitarist Synyster Gates (Brian Haner, Jr.) joined the band after the album's initial release. Johnny Christ (Jonathan Seward) became Avenged Sevenfold's fourth bassist in time for the recording of the 2003 album "Waking the Fallen".
Document 4: List of Escape the Fate band members: Escape the Fate is an American rock band from Las Vegas, Nevada, formed in 2005 and originally from Pahrump, Nevada. The group consists of Robert Ortiz (drummer), Craig Mabbitt (lead vocalist), TJ Bell (rhythm guitarist, bassist and vocalist), Kevin "Thrasher" Gruft (lead guitarist, bassist, backing vocalist) and touring musician Max Georgiev (bassist). The group was founded by original vocalist Ronnie Radke, bassist Max Green and lead guitarist Monte Money. The band has had 10 official members and 5 touring members and throughout 2010-2013 had a fluctuating lineup, and has recorded 5 album with 4 different studio lineups.
Document 5: Slave Ambient: Slave Ambient is the second studio album by American indie rock band The War on Drugs, released on August 16, 2011, on Secretly Canadian. Recorded over three years, "Slave Ambient" is the final release to feature contributions from founding guitarist Kurt Vile and drummer Mike Zanghi, and the first to feature drummer Steven Urgo.
Document 6: Holy Sons: Holy Sons (band) is built around Portland songwriter and drummer Emil Amos. Amos is notable for releasing "genre-bending" albums, according to "LA Weekly" music reviewer Chris Martins, and for being a prolific songwriter; one account in "Spike Magazine" suggests he has written over a thousand songs. Amos is also a multi-instrumentalist for groups such as Grails and Om and Lilacs & Champagne. Amos was born of the lo-fi home recording movement of the '80s and early '90s.
Document 7: Adema: Adema is a nu metal band from Bakersfield, California. The band formed in 2000 with members lead vocalist Mark Chavez, vocalist/guitarist Tim Fluckey, guitarist Mike Ransom, bassist Dave DeRoo, and drummer Kris Kohls. After their first two albums, "Adema", and "Unstable", the band was plagued with years of conflict and lineup changes. Ransom left the band in 2003 due to conflicts with Chavez followed by Chavez later in 2004 due to conflicts with the rest of the band. Luke Caraccioli replaced Chavez in early 2005 for one album, "Planets", but then left a few months later in late 2005. Vocalist Bobby Reeves and guitarist Ed Farris, both from the band Level, were recruited to join as well, but only released one album, "Kill the Headlights" in 2007, before entering a hiatus. The band's original line up reformed in late 2009 and toured, but both Ransom and Chavez left again before any new music would be recorded. Fluckey took over lead vocals from 2011 to 2017. The lineup released an EP, "Topple the Giants." In 2013 Ransom returned once again; Chavez rejoined the band again in March 2017, solidifying the current line-up.
Document 8: Hawthorne Heights: Hawthorne Heights is an American emo band from Dayton, Ohio, formed in 2001. Their lineup currently consists of JT Woodruff (lead vocals, rhythm guitar), Matt Ridenour (bass guitar, backing vocals) Mark McMillon (lead guitar, backing vocals), and Chris Popadak (drums, percussion).
Document 9: Avenged Sevenfold: Avenged Sevenfold (sometimes abbreviated as A7X) is an American heavy metal band from Huntington Beach, California, formed in 1999. The band's current lineup consists of lead vocalist M. Shadows, rhythm guitarist and backing vocalist Zacky Vengeance, lead guitarist and backing vocalist Synyster Gates, bassist and backing vocalist Johnny Christ, and drummer Brooks Wackerman.
Document 10: Executive Music Group: Executive Music Group is an independent record label located in Dallas, Texas. The label was started in 2006 by Jacob Capricciuolo and Jimmy Swan. Executive Music Group is commonly abbreviated with the acronym EMG. EMG represents a wide variety of artists, making them unique among other independent labels. EMG is distributed by Fontana Distribution. Some of their most well-known artists include or included Dirty Heads, 12 Stones, Alien Ant Farm, Lacey Schwimmer, Khleo Thomas, The Katinas, Niyoki, and Shock of Pleasure.
Document 11: Emarosa: Emarosa ( ) is an American post-hardcore band from Lexington, Kentucky. The band currently consists of founding members ER White (lead guitar) and Jordan Stewart (keyboards), as well as lead vocalist Bradley Walden and rhythm guitarist Marcellus Wallace.
Document 12: Slaves (American band): Slaves (stylized as SL▲VES) is an American post-hardcore group formed in Sacramento, California. The band currently consists of lead vocalist Jonny Craig, formerly of Emarosa and Dance Gavin Dance, bassist Colin Vieira of Musical Charis and guitarist Weston Richmond. The band released their debut album, "Through Art We Are All Equals" on June 24, 2014. Their second studio album, "Routine Breathing", was released on August 21, 2015. The band released the single "I'd Rather See Your Star Explode" on January 20, 2017, the lead single off their upcoming third studio album: "Beautiful Death", set to be released in September 2017.
Document 13: Gwar: Gwar, often styled as GWAR, is an American heavy metal band formed in Richmond, Virginia in 1984, composed of and operated by a frequently rotating line-up of musicians, artists and filmmakers collectively known as Slave Pit Inc.. Following the death of frontman and lead singer Dave Brockie in 2014, the group has continued without any original members, although Don Drakulich, a non-instrument-performing member of the collective, has been with the band since 1985.
Document 14: Death Grips: Death Grips is an American experimental hip hop band from Sacramento, California, formed in 2010. The group consists of rapper/vocalist MC Ride (Stefan Burnett), drummer/producer/songwriter Zach Hill, and recording engineer Andy Morin. The band has featured guitarist Nick Reinhart of Tera Melos on their albums Fashion Week, Jenny Death and Bottomless Pit. Their musical style draws on hip hop, punk, electronic, noise, and industrial. In 2012, "The Skinny" called them "the first truly important band of the twenty-first century".
Document 15: Antemasque (band): Antemasque (stylized as ANTEMASQUE) is an American rock band formed in 2014 by former members of At the Drive-In and The Mars Volta, Omar Rodríguez-López and Cedric Bixler-Zavala. Their first album featured Red Hot Chili Peppers's Flea on bass and Dave Elitch on drums. Both Flea and Elitch had previously played with The Mars Volta. Omar's brother Marfred Rodríguez-López (formerly of Zechs Marquise) eventually joined as a permanent bassist with Blink-182 member Travis Barker taking over drumming duties.
ground_truth: Emarosa