Matches in DBpedia 2014 for { ?s ?p <http://dbpedia.org/resource/Category:Progressive_rock_songs> . }
- Category:Rush_(band)_songs broader Category:Progressive_rock_songs.
- Category:Serj_Tankian_songs broader Category:Progressive_rock_songs.
- Category:Soulwax_songs broader Category:Progressive_rock_songs.
- Category:Space_rock_songs broader Category:Progressive_rock_songs.
- Category:Spock's_Beard_songs broader Category:Progressive_rock_songs.
- Category:Supertramp_songs broader Category:Progressive_rock_songs.
- Category:The_Alan_Parsons_Project_songs broader Category:Progressive_rock_songs.
- Category:The_Mars_Volta_songs broader Category:Progressive_rock_songs.
- Category:Thirty_Seconds_to_Mars_songs broader Category:Progressive_rock_songs.
- Category:Tool_(band)_songs broader Category:Progressive_rock_songs.
- Category:Yes_(band)_songs broader Category:Progressive_rock_songs.