Hibari no komoriuta (ひばりの子守唄, literally "Hibari's Lullaby") is a 1951 black-and-white Japanese film directed by Koji Shima. The movie is based on Das doppelte Lottchen, a novel later adapted as The Parent Trap.
Shizuko Kasagi and Hideko Takamine star as young women who try to raise money for a needy old friend by becoming wandering singers who work for tips in Tokyo's Ginza nightlife district.