1.) Hyacinth is a punk/hardcore/screamo/whatever band from Metz, France. They're known for their political lyrics, long slow breaks and lightspeed passage. They're also well known because of their sexy guitarist aka BUDDY SATAN. 2.) Hyacinth is a death metal band from Russia. 3) Hyacinth is a one man ambient/drone/glitch/IDM/techno artist from Canada.