The Ievan Polkka ("Eva's Polka"), as sung by the Finnish quartet Loituma (lyrics). Suddenly, in a flash (previously) of brilliance, youtube is inundated with lots and lots of remixes. Most contain Bleach girl Orihime Inoue spinning a leek (now lovingly known as Leek Girl). Others teach you how to dance, play piano, and, of course, sing. But don't forget Rick!