The elementsof the story - <em>Grandpa's Beat-up Banjo</em> are altered because the author paints a character who seems frail and whose equipment seemed damaged to put a twist to the unexpected outcome of the story.
<h3>About Grandpa's Beat-up Banjo</h3>
This is a story that modifies the David and Goliath story into a version where the expected becomes unexpected.
Rather than a physical fight and a giant vs a little lad, there is the Musical competition and a Grandpa with his very old musical instrument.