album_presenter.description.discover album_name=La Mamma / Black River-Jump, artist_name=Jeff Jackson & His Explorers, records_count=1, countries_count=1, countries=Germany, media=7'', year_range=1965album_presenter.description.releases album_name=La Mamma / Black River-Jump, artist_name=Jeff Jackson & His Explorers, records_count=1, countries_count=1, countries=Germany, media=7'', year_range=1965album_presenter.description.countries album_name=La Mamma / Black River-Jump, artist_name=Jeff Jackson & His Explorers, records_count=1, countries_count=1, countries=Germany, media=7'', year_range=1965album_presenter.description.media album_name=La Mamma / Black River-Jump, artist_name=Jeff Jackson & His Explorers, records_count=1, countries_count=1, countries=Germany, media=7'', year_range=1965