It's Polka Friday at Boston Public Radio! Master accordionists Marié Abe and Ralph Tufo faced off in honor of this weekend's Squeezebox Slam in Davis Square, Somerville. What was the first recorded popular song in Japan? What flavors did Massachusetts' own Squeeze soda come in (besides Orange Squeeze, of course?) You'll find out all this and more—including how Marie and Ralph fared—by clicking the audio link above.