Threshold is the sixth studio album by Swedish power metal band HammerFall, released on 18 October 2006.

The guitar solo of "Howlin' With the 'Pac" is essentially a reworked version of the one from "Hearts on Fire".

[8] "The Fire Burns Forever" was also released as a single and only available as a download between 6 August and 6 September 2006, exclusively at the ITunes Store and Nuclear Blast Musicshop.

Hammerfall and the athletes also performed "The Fire Burns Forever" at the official opening of the Championships on 6 August in Gothenburg, Sweden.

[11] Backing vocals by Oliver Hartmann, Rolf Köhler, Olaf Zenkbiel, Mats Rendlert, Joacim Lundberg, Markus Sköld, and Johan Aremyr [12]