Man sings to his dying wife of 73 years in this beautiful video

Erin Solari has shared this video of her grandparents sharing a wonderfully touching moment in the final days of her grandmother's life.
Howard, 92, from Sarasota in Florida, sings "their love song", “You’ll Never Know” by Rosemary Clooney, to Laura, 93 as she lies in her hospice bed. Erin writes that the song is particularly special to the pair as it used to comfort Laura while Howard was away fighting in World War II: