I've Been Working on the Railroad

The video tutorial covers the theme of working on the railroad, highlighting the daily routine and the significance of the morning whistle and captain's call. It also explores Dinah's activities in the kitchen and revisits the importance of railroad work. The tutorial concludes with a final chorus emphasizing the railroad theme.

What musical instrument is mentioned in the context of the song?

Describe the mood conveyed in the lyrics about working on the railroad.