album_presenter.description.discover album_name=Mainstream Of The Blues, artist_name=Various Artists, records_count=2, countries_count=1, countries=UK, media=LP, year_range=1978album_presenter.description.releases album_name=Mainstream Of The Blues, artist_name=Various Artists, records_count=2, countries_count=1, countries=UK, media=LP, year_range=1978album_presenter.description.countries album_name=Mainstream Of The Blues, artist_name=Various Artists, records_count=2, countries_count=1, countries=UK, media=LP, year_range=1978album_presenter.description.media album_name=Mainstream Of The Blues, artist_name=Various Artists, records_count=2, countries_count=1, countries=UK, media=LP, year_range=1978
