The folio omits 'Ay'; I read 'Amen, amen,' as the metre requires.
"Both to my God, one to my gracious King."
So the folio reads; the 4tos, more simply, have and for 'one.'
"My news shall be the fruit to that great feast."
So the 4tos properly read; the folio has news for 'fruit.'
"If I had play'd the desk or table-book."