Just a note--perhaps unneeded, but might as well make sure: Younger listeners may not fully understand the significance of the line "Sons of railway porters and sons of engineers": it is within living memory that all "porters" on railway sleeping cars were black (and employees of the Pullman Company, which also owned the cars), while all engineers were white. The song is a bittersweet look at a changing country and a changing transportation environment, but explicitly does recognize that passengers were no longer segregated by race. FWIW,
Just a note--perhaps unneeded, but might as well make sure: Younger listeners may not fully understand the significance of the line "Sons of railway porters and sons of engineers": it is within living memory that all "porters" on railway sleeping cars were black (and employees of the Pullman Company, which also owned the cars), while all engineers were white. The song is a bittersweet look at a changing country and a changing transportation environment, but explicitly does recognize that passengers were no longer segregated by race. FWIW,