The crossword solution for the term 'Oktoberfest Tune' is 'Polka'. Polka is a genre of dance music originating in Central Europe, especially in the Czech Republic and Poland. It is a lively, rhythmical dance music with a strong accent on the off-beat. It is usually performed with an accordion, clarinet, and double bass. Polka is a popular genre of music at Oktoberfest celebrations, where it is often accompanied by traditional German folk dancing.