album_presenter.description.discover album_name=Harlem Flat Blues / Double Check Stomp, artist_name=Duke Ellington, records_count=1, countries_count=1, countries=Germany, media=Schellack, year_range=album_presenter.description.releases album_name=Harlem Flat Blues / Double Check Stomp, artist_name=Duke Ellington, records_count=1, countries_count=1, countries=Germany, media=Schellack, year_range=album_presenter.description.countries album_name=Harlem Flat Blues / Double Check Stomp, artist_name=Duke Ellington, records_count=1, countries_count=1, countries=Germany, media=Schellack, year_range=album_presenter.description.media album_name=Harlem Flat Blues / Double Check Stomp, artist_name=Duke Ellington, records_count=1, countries_count=1, countries=Germany, media=Schellack, year_range=