As I prepare sermons, I attempt to begin a few weeks in advance. When I start, I currently use the liturgical texts (Revised Common Lectionary) printed double spaced. I mark them up extensively writing comments, summaries, questions, observations, etc… I, then, spend time developing the liturgy and choosing music for that service. Generally, the liturgy ties very closely to the passages for the service consistent with the Reformed Tradition. For most services, I write the Call to Worship, Call to Confession, Prayer of Confession, Assurance of Pardon, and Prayer of Dedication. The Call to Worship is usually a portion of the Psalm of the day modified for a leader/congregation responsive…