album_presenter.description.discover album_name=Sounds Of Bluegrass, artist_name=The Butler Brothers, records_count=1, countries_count=1, countries=US, media=LP, year_range=1975album_presenter.description.releases album_name=Sounds Of Bluegrass, artist_name=The Butler Brothers, records_count=1, countries_count=1, countries=US, media=LP, year_range=1975album_presenter.description.countries album_name=Sounds Of Bluegrass, artist_name=The Butler Brothers, records_count=1, countries_count=1, countries=US, media=LP, year_range=1975album_presenter.description.media album_name=Sounds Of Bluegrass, artist_name=The Butler Brothers, records_count=1, countries_count=1, countries=US, media=LP, year_range=1975