There are multiple artists with this name: 1) Sanatorium is a Slovakian death metal band formed back in 1994. So far they have four full length albums under their belt. Official Myspace
Official Website 2) Sanatorium, thrash metal band from Macedonia formed in 1987. Official Website This is SANATORIUM, band which will lead to the center of madness, break your mind apart and will bring you to the edge of sanity; a band which radiates with enormous power and energy.

Read more about Sanatorium on Last.fm.