As Reformed Worship enters its 30th year, it is natural to look back and wonder what has changed since this publication began. My colleague John Witvliet can testify to the explosion of work in the area of liturgics and worship. The serious study of worship has gone from a relatively rare enterprise a few decades ago to a growing academic phenomenon. In addition to Reformed Worship, worship planners and pastors now have access to a mind-boggling wealth of resources.