Phonology and conventionalization: Naturalness and beyond in German(ic) sonorants

In Natural Linguistics a major concern regards convention- alization as opposed to the roll-out of naturalness. In this short hom- age, I will discuss these issues with the focus on the unstable status of sonorants, discussing a couple of examples coming from Modern Standard German and from Titsch, a Walser German variety spoken in a linguistic island in Aosta Valley.