Listen to Slavonicka-Polka online. Slavonicka-Polka is a German language song and is sung by Berner Blaskapelle. Slavonicka-Polka, from the album Blasmusik mit Herz - Echt böhmisch, was released in the year 2014. The duration of the song is 3:54. Download German songs online from JioSaavn.