Luther like Augustine held most of the Calvinist doctrines including predestination, election etc
Do not be confused by the form of worship .
You wrote: “Pss the reformation was Calvinist in doctrine.”
Calvinism was Calvinist in doctrine.
“Luther like Augustine held most of the Calvinist doctrines including predestination, election etc”
Augustine never knew or held any Calvinist doctrines. That would be an anachronism and an impossibility.
“Do not be confused by the form of worship.”
I am not confused by the “form of worship.” I also do not ignore it.