This repeats over and over with the same structure.
A E A
There are 100 ways to love a cat
D E A
100 loving ways
F#m E
Way 1: keep a tidy house for them
D E A
100 loving ways
After Way 60 there's a dramatic key change. Everything gets moved up 2 half steps (A-
> B, E-> F#, D-> E, F#m-> G#m)