[1] It is popularly used by the main football club in the city, Mainz 05.
The "Narrhallamarsch" is usually played to accompany a speaker's entry and exit from the stage when they give their humorous/satirical speech.
The name is a portmanteau of the German word 'Narr' (jester) and Valhalla.
[1] In 1838, the people of Mainz founded the Mainzer Carneval-Verein ("Carnival Club of Mainz") and were searching for a lead melody for the local carnival.
One of the founding members was the bandmaster Carl Zulehner,[a] who, inspired by the 1840 performance in Mainz of Adolphe Adam's opera Le brasseur de Preston (1838) (German: Der Brauer von Preston), used some of its musical motives to create the "Mainzer Narrhallamarsch".