You didn't ask, but I'll just add that an unconscious person in the end stage of a terminal disease will not experience any discomfort from the lack of food or water. Indeed, dehydration and hypoglycemia release natural endorphins that reduce sensations of pain or hunger.
The music to Somewhere over the Rainbow was written by Harold Arlen; the lyrics were written by Edgar Yipsel (Yip) Harburg. But Julie Garden sang it. Arlen and Harburg collaborated on all the songs featured in the movie, The Wizard of Oz. Over the Rainbow won Academy awards for them both.
There's no song like Over the Rainbow.. Kansas farm girl Dorothy Gale's wistful ditty in The Wizard of Oz led the American Film Institute's list of 100 best movie songs Tuesday, followed by As Time Goes By from Casablanca at No. 2 and the title tune from Singin' in the Rain at No. 3.