native tongues

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