The concluding section of Psalm 22 looks forward to a day when all the nations and ends of the earth will praise God. Likewise Psalm 117 also calls on all nations to praise the Lord. Either Psalm will be appropriate to sing after your sermon.
o Reformed Churches in New Zealand (lyrics and sheet music) (audio)
1 Now there were in the church at Antioch prophets and teachers, Barnabas, Simeon who was called Niger, Lucius of Cyrene, Manaen a lifelong friend of Herod the tetrarch, and Saul.