The title is from the command to start shooting in German military language (literally "fire freely!")
The song is featured in the film xXx and during the CSI: Crime Scene Investigation episode "Slaves of Las Vegas".
single was released in three parts (2 CDs, 1 DVD), in three different colors (Yellow-Green-Orange), each with different track listings.
debuted live in a concert exclusively for members of the fan area in April 2000, when it was called "Punk".
During live performances of this song, Richard Kruspe, Paul Landers, Till Lindemann and sometimes Oliver Riedel will wear masks with flamethrowers attached that shoot flames several metres into the air.