The real power of the arts, any art, are not for entertainment or amusement. Their real power is to sustain and sanctify life. (There's a reason they are called the Humanities)
The power is not just for the performer alone, but spreads outward to touch anyone willing to be moved.
Alice Herz Sommer is a classical pianist. "Music is god, in difficult times you feel it especially."
This is the trailer for the documentary, Alice Dancing Under the Gallows about 106 year old Holocaust survivor, Alice Herz-Sommer.
Update: the filmaker of this video has deleted it from Youtube
"Only when we are so old, only, are we aware of the beauty of life."
I can only answer, "L'chaim."---------
Having watched this 5 or 6 times, what I love is seeing the emotions flicker across the women's faces, often in the silences, starting with the neighbor.