Two of my favorite songs from the local churches' "Hymns" book are:
Gathered in Thy name, Lord Jesus
https://www.hymnal.net/en/hymn/nt/204
This was a good one to start meetings with. I note the music was changed a while back. I still know and enjoy the older music better.
Thou Lord to God art Precious
http://www.witness-lee-hymns.org/hymns/H0169.html
www.hymnal.net/en/hymn/h/169
This was written by Witness Lee.