album_presenter.description.discover album_name=Blues Rock Festival '70, artist_name=Blue Grass Champions, Rock Revival Ltd., Etc., records_count=1, countries_count=1, countries=Germany, media=LP, year_range=album_presenter.description.releases album_name=Blues Rock Festival '70, artist_name=Blue Grass Champions, Rock Revival Ltd., Etc., records_count=1, countries_count=1, countries=Germany, media=LP, year_range=album_presenter.description.countries album_name=Blues Rock Festival '70, artist_name=Blue Grass Champions, Rock Revival Ltd., Etc., records_count=1, countries_count=1, countries=Germany, media=LP, year_range=album_presenter.description.media album_name=Blues Rock Festival '70, artist_name=Blue Grass Champions, Rock Revival Ltd., Etc., records_count=1, countries_count=1, countries=Germany, media=LP, year_range=