Listen to Monster in the Womb (Demonic Ultrasound) online. Monster in the Womb (Demonic Ultrasound) is an English language song and is sung by Halloween FX Productions. Monster in the Womb (Demonic Ultrasound), from the album Halloween Fright Night: Vampires, Ghosts, Killer Clowns & Haunted House Sounds, was released in the year 2017. The duration of the song is 0:38. Download English songs online from JioSaavn.