Do Catholics not understand what is written and sanctioned in scripture?
Singing hymns is not only sanctioned but encouraged.
Acts 16:25 But about midnight Paul and Silas were praying and singing hymns of praise to God, and the prisoners were listening to them;
Ephesians 5:19 Speak to one another with psalms, hymns and spiritual songs. Sing and make music in your heart to the Lord,
As is praying in groups.
2 Chronicles 6:12 And he stood before the altar of the LORD in the presence of all the congregation of Israel, and spread forth his hands: 13 For Solomon had made a brasen scaffold of five cubits long, and five cubits broad, and three cubits high, and had set it in the midst of the court: and upon it he stood, and kneeled down upon his knees before all the congregation of Israel, and spread forth his hands toward heaven.
Acts 12:12 And when he had considered the thing, he came to the house of Mary the mother of John, whose surname was Mark; where many were gathered together praying.
Acts 1:13 And when they were come in, they went up into an upper room, where abode both Peter, and James, and John, and Andrew, Philip, and Thomas, Bartholomew, and Matthew, James the son of Alphaeus, and Simon Zelotes, and Judas the brother of James. 14These all continued with one accord in prayer and supplication, with the women, and Mary the mother of Jesus, and with his brethren.
And what isnt?
Jeremiah 7:18 The children gather wood, and the fathers kindle the fire, and the women knead their dough, to make cakes to the queen of heaven, and to pour out drink offerings unto other gods, that they may provoke me to anger.
Jeremiah 44:19 And when we burned incense to the queen of heaven, and poured out drink offerings unto her, did we make her cakes to worship her, and pour out drink offerings unto her, without our men?
Jeremiah 44:22 So that the LORD could no longer bear, because of the evil of your doings, and because of the abominations which ye have committed; therefore is your land a desolation, and an astonishment, and a curse, without an inhabitant, as at this day.
Do Catholics not understand what is written and sanctioned in scripture?
Of course we understand it. I had thought you to say that you renounce everything with pagan roots. That includes wedding rings...