Judy in Huntsville, Alabama, has hundreds of song lyrics playing on auto-shuffle in her head. When the Polka Dot Polka started playing, she began to wonder how polka dots came to be associated with the music. It turns out that the polka dance craze of the early 1800s — named after the Polish word for a Polish woman — gave its name to a lot of things, including this fabric pattern. This is part of a complete episode.