I will tell you one thing that will make you rich for life. There are two struggles: an Inner-world struggle and an Outer-world struggle...you must make an intentional contact between these two worlds; then you can crystallize data for the Third World, the World of the Soul.
For some birds, songs are learned by listening to their parents and neighbors during
the first year. For other birds, songs are hardwired -- the music is scored in their
brains from the beginning. For mockingbirds, singing is a lifetime of choir practice
and talent shows, picking up new tunes and modifying old ones.