This one always hits me hard - reminds me of being a kid around my Dad. He loved listening to Don Williams when I was growing up, and he'll still put him on, now and then... course, I'm 8 hours away from him, but still...
2 for 2 in a genre I usually don't listen to, but my wife does. This one comes up on the radio now and then, and reminds me to be the example I should be for my kids.
I was at work the day my grandmother died. My mother, for some reason, had this song in her head at the time whilst she was with her in England, and called me up, in tears to sing it to her.
I've got more, but the more uplifting stuff just ain't coming to mind tonight - triple shot from the feels cannon.