album_presenter.description.discover album_name=Perfect Rag / New Orleans Joys, artist_name=Jelly Roll Morton, records_count=1, countries_count=1, countries=UK, media=Schellack, year_range=1949album_presenter.description.releases album_name=Perfect Rag / New Orleans Joys, artist_name=Jelly Roll Morton, records_count=1, countries_count=1, countries=UK, media=Schellack, year_range=1949album_presenter.description.countries album_name=Perfect Rag / New Orleans Joys, artist_name=Jelly Roll Morton, records_count=1, countries_count=1, countries=UK, media=Schellack, year_range=1949album_presenter.description.media album_name=Perfect Rag / New Orleans Joys, artist_name=Jelly Roll Morton, records_count=1, countries_count=1, countries=UK, media=Schellack, year_range=1949