I can't remember the source behind this idea, but maybe I was writing late at night and was about to run out of booze!  This sounds like a good enough excuse, but I've not always written from personal experience, but sometimes out of imagined experiences, so I'll leave it at that.  

"This Is My Beat" - Jim Ed Brown 
"In the Middle of a Life" - George Grove
"Aspen Gold" - The Kingston Trio