Then I have another one.
Take a basic progression in major:
IV | III | II | I
IV | (II V7)→ | II | V7
In F, that makes:
Spice it up by adding diatonic 6ths:
Spice it up even more by adding 7ths to every chord that doesn’t have one and alter the subdominant cadence:
Make a melodic motif of hitting the 7th, the 6th, and a tone leading to the 6th:
Looks familiar? Why, it is
Fairy’s Fountain Theme (a.k.a.
Menu Select,
The Goddess Appears, and
Beginning of the Journey).
