Christian Worship Music c. 300 - 400 CE

Aramaic

Armenian

Coptic

Ethiopic

Greek

Introduction to Orthodox Byzantine music by Dmitri Conomos
Phos hilaron (attested in 4C CE)

Latin

Ambrose of Milan (340 - 397 CE): Hymns
[Aurelius Clemens] Prudentius (348 - 405 CE): Hymns

Sahidic

Syriac

Ephraim / Ephrem the Syrian (c. 306 - 373 CE): Hymns