The very short, 100-year-old Prayer to Saint Michael was a part of the Catholic Mass up till the 1960s. The longer, 1000-year-old Saint Patrick's Breastplate has not been a part of formal liturgy. Both represent a fighting spirit while asking for divine protection against very particular problems of evil and its many threats against human life. With short introductions.
This bit of Americana from the early 20th century is a working-man's "drinking poem" that at the same time warns of the perils of drink, and also perhaps the perils of love. With a short introduction.
"Awake, O harp and lyre! I will awake the dawn." King David tries to rouse his soul to the task at hand, though victory seems an uphill battle. Psalm 108 is presented in English, followed by the same psalm in Portuguese.