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| Written by | Brendon Small |
| Date | 2006 |
| Publisher | Ten Fifty Music |
Fan Song (Registered with BMI as Fan Hate Song) is a song from Metalocalypse. It was performed by Dethklok on fan day in the episode Mordland and could only be heard once by the fans that were able to obtain tickets to Mordhaus on fan day. It was remastered into a longer song and featured on the first The Dethalbum.