4 Pics 1 Word Level 2131

Answer:
Polka
Hint
What is the answer to the 4 Pics 1 Word level with Couple performing polka dance, Green fabric with dots, Two women wearing dress with polka dots, and Woman wearing black polka dot dress?

Hint
What is the answer to the 4 Pics 1 Word level with Couple performing polka dance, Green fabric with dots, Two women wearing dress with polka dots, and Woman wearing black polka dot dress?