Dammit Kraftwerk:

"On November 20, 2008, electronic band Kraftwerk convinced the German Federal Supreme Court that even the smallest shreds of sounds ("Tonfetzen") are "copyrightable" (e.g. protected), and that sampling a few bars of a drum beat can be an infringement.[17]"

(from https://en.wikipedia.org/wiki/Legal_issues_surrounding_music_sampling)