There are four acts known under the name Black Rock.  A metal band from Finland  a dance production,  a stoner rock band and  a funk outfit.  Black Rock is a metal band from Finland. They also have released a 4-track demo called "Black Rock". http://blackrockmetal.bandcamp.com/  Black Rock is a Dance production duo from France, consisting of DJ/remixers André Schmid and Dimitri Derisiotis.