The differences between rocks and metals are: different origin time, different characteristics and different classification.

First, the origin time is different.

1, Rock & Roll: Rock & Roll originated in the United States in the late 1940s, became popular in the early 1950s, and quickly became popular all over the world.

2. Metal: Metal music was influenced by rock music in the 1960s. In the mid-1970s, metal music became popular.

Second, the characteristics are different.

1, rock and roll: Rock and roll is loved by most people all over the world for its flexible and bold expression and passionate music rhythm.

2. Metal: Metal music has a cold and rigid atmosphere, which gives listeners a feeling of hysteria and madness and plays a cathartic role.

Third, the classification is different.

1, Rock: Rock can be divided into punk, blues, Britpop, Celtic rock, art rock, Emo, gorgeous rock, punk revival, back garage, indie rock and mountain rock.

2. Metal: Metal music is dominated by heavy metals, including black metal, death metal, torrent metal, new metal, doomsday metal, gorgeous metal, heavy metal, industrial metal and other heavy metal music.