Black Sheep

There are multiple artists with this name: 1. A rap group from the United States 2. A punk/ska band from Belgium 3. A classical/rock band from the United Kingdom 4. A heavy metal band from the United States 5. A black metal band 6. A Celtic rock band from the United Kingdom 7. A hard rock band from Greece 8. An experimental rock band from the United States 9. A hard rock band from the United States 10. A rock band from Germany 11. A Jazz group from Japan