Question: In what year was the vocalist of a heavy metal band formed in Las Vegas, Nevada in 2005 born?

Context paragraphs:
Acrassicauda: Acrassicauda is an American-based Iraqi heavy metal band formed in 2001.  It is often credited as being the first heavy metal group to emerge from Iraq.  The original band consisted of three Arab members and one Assyrian (Tony Aziz Yaqoo).  The band formed and played concerts under the regime of Saddam Hussein.  It became well known outside of the local Iraqi metal scene after Vice magazine did a profile of the band.  It received even greater coverage when it was profiled in a feature-length documentary about the band and its troubles in Iraq called "Heavy Metal in Baghdad".  The band's first album was released on March 9, 2010.

Five Finger Death Punch discography: The discography of Five Finger Death Punch (5FDP), an American heavy metal band, consists of six studio albums, one live album, one extended play (EP), 23 singles and 16 music videos. Formed in Las Vegas, Nevada in 2005, the group features vocalist Ivan Moody, lead guitarist Jason Hook, rhythm guitarist Zoltan Bathory, bassist Chris Kael and drummer Jeremy Spencer.  In 2007, the band released its debut album "The Way of the Fist", which reached number 107 on the "Billboard" 200 and was certified gold by the Recording Industry Association of America (RIAA).  All three singles from the album reached the top 20 of the "Billboard" Mainstream Rock Songs chart.  After Hook replaced previous guitarist Darrell Roberts, 5FDP released "War Is the Answer" in 2009 which reached the top ten of the "Billboard" 200 and was certified platinum by the RIAA.  Four singles from the album reached the Mainstream Rock top ten, while the band's cover of "Bad Company" was certified platinum.

Fans of Jimmy Century: Fans of Jimmy Century are an electronic/pop/indie dance music group with hypnotic grooves, trip hop obsession, and a love for modern noir.  They originated in San Francisco, but now call the lively city of Las Vegas, Nevada, home.  "Fans, Fans of Jimmy, Jimmy Century, or FOJC" is headed up by the talented vocalist Alicia Perrone and gifted guitarist Victor James.  Originally formed in 2007, the band is known for songs such as "Va Va Voom to the Moon," "International," "Mr. Las Vegas," "Blonde Ambition," and "Hot Sahara" which helped steam up Showtime's The L Word in 2008, in a sexy scene known by L Word fanatics as "The Hot Sahara Scene."  Hot Sahara went on to climb to #23 on the FMQB Top Dance Radio Charts, with heavy support and airplay on Energy 92.7 SF KNGY and Pulse 87 NYC.  Additional Features include Ugly Betty, Samantha Who, and The Hills among others.  In 2013, Va Va Voom to the Moon received strong support from Las Vegas' top pop station, Mix 94.1FM.

The Vermin: The Vermin is a punk rock band from Las Vegas, Nevada.  The band formed in 1984 (1986 in some sources)as Vermin From Venus by singer and guitarist Dirk Vermin, and was noted for releasing one of the first independent punk rock albums in Las Vegas, "Sex on Planet X".  In 1994, Vermin and bassist Rob Ruckus formed a punk cover band called Godboy, and in 1995 the bands merged, adopting the name The Vermin.  The band recorded their first album under their new name, "Hell or Las Vegas", in 1996 with drummer Anthony Hudak, but Hudak left the band soon after and was immediately replaced with current drummer Gerry "Turbo" Proctor.  The band was featured in the low-budget horror film "Trans-American Killer" in 2005.  Singer Dirk Vermin opened Pussykat Tattoo in 1999; the shop, Vermin, and bassist Ruckus are currently featured in the A&E program "Bad Ink".

Volbeat: Volbeat are a Danish heavy metal band formed in Copenhagen in 2001.  They play a fusion of rock and roll, heavy metal and rockabilly.  They are inspired by classic rock and roll artists such as Elvis Presley and Johnny Cash, as well as modern hard rock, thrash metal, heavy metal, alternative rock and hardcore punk groups.  Their current line-up consists of vocalist and guitarist Michael Poulsen, guitarist Rob Caggiano, drummer Jon Larsen and bassist Kaspar Boye Larsen.  The band is signed to Dutch label Mascot Records and has released six studio albums and one DVD.  All of their studio albums have been certified gold in Denmark.  Their second album "Rock the Rebel/Metal the Devil" received platinum status, and their 2010 release "Beyond Hell/Above Heaven" was subject to widespread international critical acclaim, receiving double platinum in Denmark, platinum in Finland and Germany, and gold in the United States, Sweden and Austria.  Volbeat's sixth album entitled "Seal the Deal & Let's Boogie" was released worldwide on 3 June 2016.

Kekal: Kekal (sometimes stylized as KEKAL) is a heavy metal and electronic music band formed in 1995 in Jakarta, Indonesia.  According to AllMusic, Kekal was one of the first heavy metal bands from Indonesia to make international inroads, and according to sociologist of heavy metal, Keith Kahn-Harris, was one of the few extreme metal bands from Southeast Asia to ever make more than a minimal impression on the global scene.  Founded by two musicians known simply Yeris and Newbabe, the band underwent some shifts in lineup in its early years, but emerged with a consistent lineup of three key-members, guitarist/vocalist Jeff Arwadi, bassist Azhar Levi Sianturi, and guitarist Leo Setiawan.  Frequently labeled as black metal, progressive metal, and avant-garde metal, Kekal plays a very diverse range of music styles within the frame of metal and rock, incorporating many other music genres such as ambient, electronic, jazz fusion, and progressive rock.  Over the course of its career, Kekal has transitioned from a heavy metal-based style to a more experimental and electronic sound.

Five Finger Death Punch: Five Finger Death Punch, often shortened to Death Punch and abbreviated as 5FDP or FFDP, is an American heavy metal band from Las Vegas, Nevada.  Formed in 2005, the band's name comes from the kung fu movie "The Five Fingers of Death", to which Quentin Tarantino later made reference in his movie "Kill Bill".  The band originally consisted of vocalist Ivan Moody, guitarist Zoltan Bathory, guitarist Caleb Andrew Bingham, bassist Matt Snell, and drummer Jeremy Spencer.  Bingham was replaced by guitarist Darrell Roberts in 2006, who was then replaced by Jason Hook in 2009.  Bassist Matt Snell departed from the band in 2010, and was replaced by Chris Kael in 2011.

Biohazard (band): Biohazard is an American heavy metal band formed in Brooklyn, New York in 1987.  They are acknowledged as one of the earliest bands to fuse hardcore punk and heavy metal with elements of hip hop.  The earliest lineup consisted of bassist/vocalist Evan Seinfeld, guitarist Bobby Hambel, and drummer Anthony Meo.  Guitarist/vocalist Billy Graziadei would join the band soon after, changing the band to a four-piece.  Since February 2016, the lineup has consisted of Billy Graziadei, Bobby Hambel and Danny Schuler.

Ivan L. Moody: Ivan L. Moody (born Ivan Lewis Greening), (born January 7, 1975) known by the pseudonym Ghost during his time with Motograter, is the lead vocalist for American alternative metal band Five Finger Death Punch.  He had performed for several bands before settling down with Five Finger Death Punch (often abbreviated to FFDP or 5FDP).  As an actor, he also starred in the films "Bled" as Incubus, and "The Devil's Carnival" as the hobo clown.

Halford (band): Halford is an American heavy metal band formed in 1999 by British singer Rob Halford, who is best known as the lead vocalist for Judas Priest.  Halford formed the band to return to his heavy metal roots.  His two previous projects were a "street metal"-style band called Fight and the industrial metal band 2wo.

Supporting paragraphs: Five Finger Death Punch discography Ivan L. Moody
Answer: 1975