I am reading a book called The Soul Winner by Charles H. Spurgeon. I just finished the chapter called Sermons Likely to Win Souls. In it he expounds on seven points to remember for your message.
It always amazes me when a day is going wrong, how much music can turn it around. I think this happens because music is a form of worship. When we start to sing unto the Lord, this act of worship can bring us closer to God. When we are close to God in worship, our troubles have a way of disappearing.