WIKIPEDIA:

“ Amputechture is the third full-length studio album by American progressive rock band The Mars Volta, released on September 12, 2006 on Gold Standard Laboratories and Universal Records. The album debuted at #9 on the ''Billboard'' 200 selling over 59,000 copies in its opening week and an estimated 400,000 copies as of 2009. The album marks the final appearance of drummer Jon Theodore, and is the first studio album to feature guitarist and sound manipulator Paul Hinojos, formerly of At the Drive-In and Sparta.

Overview

Production
The album was recorded in Los Angeles, CA, El Paso, TX and Melbourne, Australia in late 2005 and early 2006. It was produced by Omar Rodríguez-López and mixed by Rich Costey.
Although most of Amputechture was newly recorded, the band also incorporated older material into some of the album's tracks. "Viscera Eyes" evolved from a song originally written by Omar while in At the Drive-In. "Day of the Baphomets" uses lyrics and melody from "A Plague Upon Your Hissing", an un-released song that was recorded for De-Loused in the Comatorium.
In early July 2006, "Viscera Eyes" was officially released on the band's MySpace page. On July 13, the band also posted a link to a stream of [......] ”

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