It turned out he had written the musical himself and had gotten a grant to produce it locally. It was a fairly large production with every ex and current student he could round up, which told the history of the USA for the past 200 years.
And, yes, the 'orchestra' for this bloated production was two guys who's only experience was a failed rock and roll band and a piano player.
Aside from intros and outros the music was all actual historical songs. Which we proceeded to learn to play.
[contd]