A parody of the chorus from 40mP's Vocaloid song, "Karakuri Pierrot".
Features Miku spinning around to the lyrics "Ah, mawatte, mawatte, mawari tsukarete / Ah, iki ga, iki ga tomaru no."
Roughly translates to "Ah, spinning, spinning, spinning until I'm tired / Ah, my breathing, my breathing, my breathing has stopped."