The purpose of lots of Biblical songs and Hymns
are not just entertainment, and fun.
Most should be sung with the same thoughts when praying,
to the Holy One.
Numerous Biblical songs are musical prayers,
that are sung to the Lord
Therefore they should be sung from your heart,
sung word-for-word.
In other words, you ought to pay attention to the musical phrases you say,
then while singing you might have a feeling resembling
the one you have when you pray.
It is quite easy, just have God or Jesus on your mind when you sing
Noticing more faith while singing... surely will please the King of Kings.
