question: What person was the frontman of the band Emigrate, Richard Z. Kruspe or Tim Lambesis?
answer: Richard Zven Kruspe
context: Title: Shadows Are Security
  Passage: Shadows Are Security is the third album by American metalcore band As I Lay Dying.  The album was released on June 14, 2005 through Metal Blade Records, and was produced by Tim Lambesis, the band's vocalist, and Phil Sgrosso, one of the band's guitarists, along with Steve Russell.  A Limited Edition was released on June 23, 2005 with a bonus DVD of a show filmed at the Substage Club in Karlsruhe, Germany on November 28, 2004.  The CD was released again as a Special Edition on October 17, 2006 with a DVD on the making of the album and included videos of Confined, Through Struggle, and The Darkest Nights.  It also featured additional linear notes from vocalist Tim Lambesis on the concept of the record and little known facts on the making of the album.
  Title: ESP RZK Series
  Passage: ESP RZK Series is a line of guitars distributed by ESP.  They are the custom guitars of Rammstein and Emigrate lead-guitarist Richard Z. Kruspe.  The first model, the RZK-1, was produced with a custom platinum silver finish with a simplified Rammstein logo on the body of the guitar.  Two new finishes, with variations in the pickguard color, were introduced at the Musikmesse Frankfurt show in early 2009.
  Title: Richard Z. Kruspe
  Passage: Richard Zven Kruspe (born Zven Kruspe; 24 June 1967 in Wittenberge) is a German musician and guitarist of the German Neue Deutsche Härte band Rammstein, as well as the frontman of the band Emigrate.
  Title: Rammstein
  Passage: Rammstein (] ) is a German industrial metal band, formed in 1994 in Berlin.  Throughout its existence, Rammstein's six-man lineup has remained unchanged—lead guitarist Richard Z. Kruspe, bassist Oliver "Ollie" Riedel, drummer Christoph "Doom" Schneider, lead vocalist Till Lindemann, rhythm guitarist Paul H. Landers, and keyboardist Christian "Flake" Lorenz.
  Title: Tim Lambesis
  Passage: Timothy Peter "Tim" Lambesis (born November 21, 1980) is an American extreme metal musician, producer, and convicted felon, best known as the founding member and lead vocalist of American metalcore band As I Lay Dying.  He also had a solo/side thrash metal project in tribute to actor Arnold Schwarzenegger, Austrian Death Machine, in which he performed all the instruments.  He also formed a death metal band called Pyrithion and played guitar for Society's Finest and Point of Recognition.
  Title: Frail Words Collapse
  Passage: Frail Words Collapse is the second studio album by American metalcore band As I Lay Dying.  The album is their first release on the record label Metal Blade Records.  Only two of the five current band-members (drummer Jordan Mancino and frontman Tim Lambesis) appeared on the album.  Two of the band's signature songs, "94 Hours" and "Forever", appear on the album.
  Title: Total Brutal
  Passage: Total Brutal is the debut full-length album by Austrian Death Machine, a project of As I Lay Dying's vocalist Tim Lambesis.  The band and record are based upon Arnold Schwarzenegger and his movies.  Tim plays all of the instruments (apart from guest solo guitar work) and performs vocals but "Ahhhnold" is billed as the vocalist.  Destroy the Runner vocalist Chad Ackerman voices all of the Schwarzenegger impersonations.  The album was released on July 22, 2008.  On the cover of the original release of the album "Machine" was spelled with two 'i's, while new pressings of the album have the spelling corrected.
citations: Richard Z. Kruspe Tim Lambesis