Sorry have no idea lol sorry
Answer:
Uterus.
Explanation:
A baby starts hearing the sounds of the mother's body at around 18 weeks during pregnancy. At around 26 weeks the baby can listen to sounds outside the womb. At this stage, the baby is able to distinguish between the mother's voice and other sounds. This takes place in the uterus.
Hence, babies can identify the voice of their mother immediately after they are born.
Answer: one person
Explanation: The opening phrase is sung by one person before other voices enter and sing together.