I'm not exactly sure what you are asking for. (...shed some light.)
I can tell you that I know that "The Doomsday Song" was sung live many times in 1969.
Here are the first few lines:
While walking along thru the garbage one day,
All down by Lake Erie where the dead fishes lay.
I spied a young maiden with a tear in her eye,
Out breathing the smoke from a factory close by,
Waiting for Doomsday to come.
She offered her hand, and I offered mine.
And we ran down the beach for a dip in the slime.
When a body came floating right up to my feet.
Oh, one that the mob...
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