Folk in this case is an extension of the word Folklore. Folk music are music based on local legends, traditions, and such. They have strong cultural roots. In some cultures, lullabies are used to pass down common knowledge, tradition, or even to develop communication skills of infants. Many lullabies are just silly songs about the local folklore.
The impact of mental health depression and anxiety in a local community in short term results in breathing problems, breathing rate increase, heart rate increases, increase in blood pressure, fatigue, shaking, dizziness.
The long term impact due to mental depression and anxiety local community can result in a disastrous effect on physical health and mental health and also lead to death.