“Let go of my hand” states that a man should let his beloved woman go of his hand if the woman wants to call it off. The one who devotes more to the relationship is easier to be hurt.
“Small town girl” states that a boy has a secret crush on a girl from the same small town. When the girl need leave for the metropolis to go to college, he feels upset but do nothing and lets her go. Only thing he can do is keeping her in his heart for good.