Task: Text Simplification
Input (English): the petitions at the end of the hymn -lrb- beginning salvum fac populum tuum -rrb- are a selection of verses from the book of psalms , appended subsequently to the original hymn.
Output (English): the written requests at the end of the religious song -lrb- beginning salvum fac populum tuum -rrb- are a selection of verses from the book of religious songs , added -lrb- to the end -rrb- -lrb- after that -rrb- to the original religious song.