question: Heavy Metal 2000 is a follow-up to a film which was produced by what two people?
answer: Ivan Reitman and Leonard Mogel
context: Title: Heavy Metal 2000
  Passage: Heavy Metal 2000 (also known as Heavy Metal: F.A.K.K.² outside North America) is a 2000 Canadian-German direct-to-video adult animated science fiction film produced by Jacques Pettigrew and Michel Lemire, and directed by Michael Coldewey and Lemire.  Starring the voices of Michael Ironside, Julie Strain, and Billy Idol, the film is the follow-up to the 1981 animated cult film "Heavy Metal", which is based on the fantasy magazine of the same name.  The story is based on the graphic novel, "The Melting Pot", written by Kevin Eastman, Simon Bisley and Eric Talbot.  The film was made by CinéGroupe, a studio based in Montreal, Quebec.
  Title: Kekal
  Passage: 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.
  Title: Deena Weinstein
  Passage: Deena Weinstein (born March 15, 1943) is a professor of sociology at DePaul University whose research focuses on popular culture.  She is particularly well known for her research on heavy metal music, as she has published two books on the genre: "Heavy Metal: A Cultural Sociology" (1991) and "Heavy Metal: The Music and Its Culture" (2009).  Because of her research on heavy metal, Weinstein was featured in the 2005 documentary "" and the later "Metal Evolution".
  Title: Heavy Metal (film)
  Passage: Heavy Metal is a 1981 Canadian-American adult animated sci-fi-fantasy film directed by Gerald Potterton and produced by Ivan Reitman and Leonard Mogel, who also was the publisher of "Heavy Metal" magazine, the basis for the film.  The screenplay was written by Daniel Goldberg and Len Blum.
  Title: Global Metal
  Passage: Global Metal is a 2007 documentary film directed by Scot McFadyen and Canadian anthropologist Sam Dunn.  It is a follow-up to their successful 2005 documentary, "".  The film's international premiere took place at the Bergen International Film Festival on October 17, 2007.  "Global Metal" aims to show the impact of globalization on the heavy metal underground as well as how different people from different cultures are transforming heavy metal music.
citations: Heavy Metal 2000 Heavy Metal (film)