De or het rockopera?

The correct Dutch article is:

de rockopera

How to use rockopera

the rockoperade rockopera
this rockoperadeze rockopera
that rockoperadie rockopera
our rockoperaonze rockopera
your rockoperajouw rockopera
every rockoperaelke rockopera
which rockopera?welke rockopera?
a big rockopera / the big rockoperaeen grote rockopera, de grote rockopera