<prompt> Taja tanzu za metali nzito.  <response>: Metali nzito ina tanzu nyingi, zikiwemo lakini sio tu: 1. Thrash Metal 2. Metal Death 3. Black Metal 4. Power Metal 5. Doom Metal 6. Symphonic Metal 7. Folk Metal 8. Glam Metal 9. Nu Metal 10. Gothic Metal 11. Grindcore 12. Metalcore 13. Progressive Metal 14. Sludge Metal 15. Speed Metal 16. Stoner Metal Kila aina ina sauti yake tofauti, mandhari, na urembo wa kuona, lakini zote zinaanguka chini ya mwavuli wa muziki wa mdundo mzito. 