Is there a clear-cut dividing line between hard rock and heavy metal? If there is, what is it? - Quora
What is the difference between hard rock, heavy metal, and glam metal? Which one came first? Why do some people consider them different genres while others don't? - Quora
![Is there a clear-cut dividing line between hard rock and heavy metal? If there is, what is it? - Quora Is there a clear-cut dividing line between hard rock and heavy metal? If there is, what is it? - Quora](https://qph.cf2.quoracdn.net/main-qimg-ef9d11b3af8cbdb2b5deebdc778abd53.webp)