album_presenter.description.discover album_name=String Quartets Nos 21 & 23, The Musikverein Quartet, artist_name=Wolfgang Amadeus Mozart, records_count=1, countries_count=1, countries=UK, media=LP, year_range=1976album_presenter.description.releases album_name=String Quartets Nos 21 & 23, The Musikverein Quartet, artist_name=Wolfgang Amadeus Mozart, records_count=1, countries_count=1, countries=UK, media=LP, year_range=1976album_presenter.description.countries album_name=String Quartets Nos 21 & 23, The Musikverein Quartet, artist_name=Wolfgang Amadeus Mozart, records_count=1, countries_count=1, countries=UK, media=LP, year_range=1976album_presenter.description.media album_name=String Quartets Nos 21 & 23, The Musikverein Quartet, artist_name=Wolfgang Amadeus Mozart, records_count=1, countries_count=1, countries=UK, media=LP, year_range=1976