Number one is C (Adagio, moderato, allegro). Number 2 is that it starts on an upbeat.
If I could give my younger self advice I would say: “Watch what you do, pay more attention to how you do things, some people will take your actions and may think less of you based on how you act.”
There really is not a certain person who introduced it but it did start in the Bronx in
New York.