Andy Davis preaches a verse-by-verse expository sermon on Isaiah 

-20. The main subject of the sermon is how God purifies the world through the outpouring of the Holy Spirit so He may rule over it.

Opening Our Christmas Gifts: The Treasure Trove of the Incarnation

This Podcast from Two Journeys Ministry includes sermons, lectures, and classes from Dr. Andrew M. Davis, the senior pastor of the First Baptist Church of Durham. 

Two Journeys exists to help Christians make progress in the two journeys of the Christian life, the internal journey of sanctification and the external journey of gospel advancement. We do this by exporting biblical teaching for the good of Christ’s Church and for the glory of God.