Summary 9:35. Templates as well.
https://www.youtube.com/watch?v=w0-Ljf5gm4A
https://en.wikipedia.org/wiki/Max_Martin
Major Key (G?), 113 bpm, lyrics 2nd grade reading level, 4 chords 1, 5, 6,4.
4 bar intro, 8 bar pre chorus, 8 bar verse, 8 bar bridge, 16 bar chorus.
Recognize song in 2 seconds.
Get to the chorus FAST. Even faster in slow songs.
Introduce one sound at a time.
Get in trouble kissed a girl.
Simplification. Simple, unique.
Another nice summation: