The readings for this past Sunday are Exodus 24:12-18, Psalm 2, 2 Peter 1:16-21, and Matthew 17:1-9. These are the lectionary readings for the Last Sunday after the Epiphany. You can listen to them or download them here.
The sermon, preached on February 27, 2017 at Trinity Episcopal Church in Warsaw, NY, by the Rev. Sare Anuszkiewicz can be listened to or downloaded here. (There was a baptism, this Sunday, so there are a few references to it in the sermon.)