The tribulation period is seven years, and when the signing of the covenant occurs, people who know the Bible and take it literally will know that, seven years later, Christ is going to come in His power and glory.
“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 ”