Acts 6:1–7 (ESV)

1 Now in these days when the disciples were increasing in number, a complaint by the Hellenists arose against the Hebrews because their widows were being neglected in the daily distribution.

Psalm 133

Psalm 133:1–3 is a song that celebrates Christian unity declaring that it is a good thing when brothers live in peace. This would be a good song to sing after your sermon.