1985 song by Megadeth

"Mechanix" is a song by Megadeth, an American thrash metal band. It is the last song from their first studio album, Killing Is My Business... And Business Is Good!.

Song by Megadeth
from the album Killing Is My Business... and Business Is Good!
ReleasedJune 12, 1985 (1985-06-12)
RecordedDecember 1984 – January 1985

The song was written by Dave Mustaine. He made it for Metallica, a band that he was in. After Metallica fired Mustaine, he told the band to not use any of the music that he made, including "Mechanix".[3][4] Metallica rewrote the song, and named it "The Four Horsemen". They put it on their first album, Kill 'Em All, in 1983.[5]


  1. CMJ Network, Inc (February 11, 2002). "Loud Rock". CMJ New Music Report: 45. Retrieved November 24, 2013.
  2. "Killing Is My Business.. and Business Is Good! - Review".
  3. Blabbermouth (2022-08-23). "DAVE MUSTAINE Says He Was 'Bothered' By The Fact That METALLICA Used His Music After His Departure". BLABBERMOUTH.NET. Retrieved 2022-09-18.
  4. "Dave Mustaine Says Kirk Hammett Got His Royalties For Metallica's 'Metal Militia' For Many Years". 2022-08-24. Retrieved 2022-09-18.
  5. "Metallica is Having a Little Fun with Their Fan Base's Hate for 'St. Anger'". 93.3 WMMR. 2022-09-12. Retrieved 2022-09-18.