Angels, Archangels, and All the Company of Heaven
"This also is a part of the teaching of the Church, that there are certain angels of God, and certain good influences, which are His servants in accomplishing the salvation of men." - Origen
Growing up, our rector really, really liked Hymn #599 [in the old 1940 Hymnal; it’s still around in the latest version as Hymn #618]. Every Sunday of the season of Pentecost it was our final hymn. Every Sunday, regardless.
If you know hymns by their words rather than by their numbers, like a sane person, then you will recognize the opening verses: