Matches in DBpedia 2014 for { ?s ?p <http://dbpedia.org/resource/Category:Heavy_metal_festivals> . }
- Category:Heavy_metal_festivals_in_Japan broader Category:Heavy_metal_festivals.
- Category:Heavy_metal_festivals_in_Mexico broader Category:Heavy_metal_festivals.
- Category:Heavy_metal_festivals_in_Sweden broader Category:Heavy_metal_festivals.
- Category:Heavy_metal_festivals_in_Turkey broader Category:Heavy_metal_festivals.
- Category:Heavy_metal_festivals_in_the_Netherlands broader Category:Heavy_metal_festivals.
- Category:Heavy_metal_festivals_in_the_United_Kingdom broader Category:Heavy_metal_festivals.
- Category:Heavy_metal_festivals_in_the_United_States broader Category:Heavy_metal_festivals.
- Category:Roskilde_Festival broader Category:Heavy_metal_festivals.