Here is my homily and video from Mass for the Solemnity of Pentecost, celebrated at Holy Spirit Parish on May 23, 2021.
See the readings at usccb.org. I read the second option for the gospel, from John 15.26-27, 16.12-15.
The video from the Mass (beginning with the Rosary – skip ahead to approx. 29 minutes for the Mass):