Schrammelmusik

Four musicians with instruments are seated at a table as they face the camera. The lower section of a poster appears on the back wall, displaying the name "Schrammel."
The Schrammel quartet in 1890

Schrammelmusik (German pronunciation: [ˈʃʁaməlmuˌzik]) is a style of Viennese folk music originating in the late nineteenth century and still performed in Austria. The style is named for the prolific folk composers Johann and Josef Schrammel.