album_presenter.description.discover album_name=Back to the Roots, artist_name=John Mayall, records_count=11, countries_count=5, countries=Germany, US, France, UK, Japan, media=Double LP, year_range=1971album_presenter.description.releases album_name=Back to the Roots, artist_name=John Mayall, records_count=11, countries_count=5, countries=Germany, US, France, UK, Japan, media=Double LP, year_range=1971album_presenter.description.countries album_name=Back to the Roots, artist_name=John Mayall, records_count=11, countries_count=5, countries=Germany, US, France, UK, Japan, media=Double LP, year_range=1971album_presenter.description.media album_name=Back to the Roots, artist_name=John Mayall, records_count=11, countries_count=5, countries=Germany, US, France, UK, Japan, media=Double LP, year_range=1971