The Antiphonary of Bangor, Antiphonarium Benchorense, gives us canticles, collects and hymns for what was the Celtic Breviary and for the Celtic Mass. What can be found in the Antiphonary of Bangor is the following.
1: 6 Canticles
2: 12 Hymns
3: 69 Collects for the breviary and special collects
4: 70 Versicles
5: The Creed
6: Pater Noster and the Eucharistic Hymn for the Priest's communion.
The canticles are:
The Canticle of Moses, first verse repeated after stanzas.
Sing to the Lord.
Blessing of the Three Young Children
Te Deum, preceded by Ps. 112, 1.
Evangelium a.k.a. Benedictus the "Gospel Canticle for the particular hour"
Gloria in Excelsis, used at Ad Vesperum and Matins.