Paste whole song in.
Change to verse representation
Extract 'this is'
Simplify into verse_subjects
Remove extra method.
Move to maybe unnecessary VerseSubject class
Clean up syntax
Change to recursive approach
Remove unnecessary reference
I think this is basically best.
Refinement of idea.
Maybe improvement?
First test passing
Derive from colors array
Happier with this, but still a little to go
Better, but not perfect?
Best so far.
Add random order of subjects