Answer:
Weird question but ok...
Explanation:
The bacteria digest the milk sugar (lactose), producing lactic acid as a result. Lactic acid causes the casein to curdle, or separate into lumps, and gives the milk a sour smell. Cheese is made the same way — by curdling milk — except the milk is curdled on purpose. Most cheese is made in factories.
A term commonly used for the first or the key tone of any scale
I dont know quit how to describe it but they would feel the same things that he feels when he sings the song