album_presenter.description.discover album_name=Swingin' Accordion, artist_name=Mat Mathews Quintet, records_count=1, countries_count=1, countries=Germany, media=7'', year_range=1956album_presenter.description.releases album_name=Swingin' Accordion, artist_name=Mat Mathews Quintet, records_count=1, countries_count=1, countries=Germany, media=7'', year_range=1956album_presenter.description.countries album_name=Swingin' Accordion, artist_name=Mat Mathews Quintet, records_count=1, countries_count=1, countries=Germany, media=7'', year_range=1956album_presenter.description.media album_name=Swingin' Accordion, artist_name=Mat Mathews Quintet, records_count=1, countries_count=1, countries=Germany, media=7'', year_range=1956