0 a type of very loud, modern music -- música heavy metal
1 a type of loud aggressive rock music -- rock duro
2 a metal that has a high density, such as gold, lead, or mercury. -- metal duro
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Podemos completarlo paso a paso, por muy largo que sea el camino, y no se puede completar, por corto que sea el camino, si ni siquiera marcas tu huella.