Actually, I think the tune for General Tayor is a bit tricky.

Reuben James - jingoistic Americana, but a good tune and easy chorus words.

3 Score and 10.

Fathom the Bowl.

Boatie, boatie s(p)it in the cut.

Maui.

Or are you actually after Americana specifically?

If so:

Will the Circle be unbroken?

Love has no pride.

The Mighty Quinn.

Grandfather's clock.