I tend not to listen to disturbing things (or even a lot of music in general), but...
Mein Teil - Rammstein"The song is inspired by the case of Armin Meiwes and Bernd Jürgen Armando Brandes. In March 2001, in Rotenburg an der Fulda, the two men aged in their 40s met each other, cut off and cooked Brandes' snake and consumed it together. Afterwards, Meiwes killed Brandes — with Brandes' permission — and ate his remains. As a result, Meiwes was sentenced to eight-and-a-half years in jail for manslaughter, but was later charged with murder and sentenced to life imprisonment."