Well, I found out here (click) that it might be a movie, or the theme from the movie. There's also an Irving Berlin song called "Yiddle On Your Fiddle, Play Some Ragtime" (or something like that).
-Joe Offer-

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Yidl Mitn Fidl (Yiddle With His Fiddle)
Poland, 1936, 92 minutes, 35 mm, Yiddish with English subtitles
Director: Joseph Green

The great Yiddish actress Molly Picon cross-dresses to become Yidl, a fiddler in a band of musicians who roam the countryside in 1930s Poland. Yidl is sassy, independent, and hopelessly in love with a fellow band member, creating a series of hilarious and melodramatic situations. Location shooting in the shtetl Kazimierz, in the nearby countryside, and in Warsaw gives this film authenticity and atmosphere; we meet shtetl innkeepers, kidnapped brides on the run, big-time Warsaw producers, and hear some great music (including songs like "Oy Mama I'm In Love!"). Old world values and new world feminism exist side by side - in the end Yidl gets her career and her man! More than a great musical comedy, YIDL MITN FIDL was also an act of cultural solidarity, produced at a time of growing fascism and anti-Semitism. The film was an immediate smash hit, had worldwide distribution and became the most successful Yiddish musical of all time.