There are multiple artists called Black Hill.

1. Black Hill are a Czech hardcore band from Beroun, Czech republic formed in 1992. Split in 1995, but reformed again in 2001.
More info at their official site (in Czech)

2. Black Hill is a post-rock side project of Hungarian Csarnogurszky István, also of Silent Island, musicformessier and whitecube. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.