Remember the group Shocking Blue who did Venus? Here they are on youtube singing Never Marry A Railroad Man:
Of interest to a limited audience, are two articles:
and
Rest in peace, Dan and Cora. And the same to your son, who passed earlier today:
Here's Boxcar Willie singing The Wreck of the Old 97:
My original link to Johnny Cash singing the song was made invalid when youtube removed the song/video from its site.