Thin Lizzy, UFO and Judas Priest were already playing international arenas, when new heavy metal bands, composed of very young people, debuted in small venues in many cities in the UK.
Thin Lizzy, UFO e Judas Priest xa realizaban actuacións en escenarios internacionais, cando novos grupos de heavy metal, compostos por xente moi nova, debutaron en pequenos escenarios en moitas cidades do Reino Unido.