When you sing with a group of people you learn how to subsume yourself into a group consciousness because a capella singing is all about the immersion of the self into the community. That's one of the great feelings - to stop being me for a little while and to become us. That way lies empathy the great social virtue.
My mother died of metastatic colorectal cancer shortly before three P.M. on Christmas Day of 2008. I don't know the exact time of her death because none of us thought to look at a clock for a while after she stopped breathing.