If you haven’t listened to this song before, make sure to familiarize yourself before watching this video!
https://www.youtube.com/watch?v=NmS3m0OG-Ug
===== Contents of this Video =====
0:00 - Introduction
1:02 - The Main Four Chords
2:03 - Two Key Centers
3:38 - Types of Chord Changes
4:44 - Chord Progression as Story
5:48 - Other Interpretations
7:12 - The Main Melodies
8:44 - Variation #1
10:05 - Variation #2
13:10 - Conclusion