It's a delight to talk about worship on a day when everybody has already been worshiping. It moves the whole thing from being a chastisement to a "you did it!" Praise was in the house today. Worship was in our hearts. And that's exactly what I want to talk with you about — the heart of worship. So let me start where I love to start, with a glimpse or two from my own life. A Song That Never Lost Its Power When I was a teenager, contemporary Christian music was just becoming a