Frozen Sing-A-Long Test at Disneyland Paris

This weekend there will be a Frozen Sing-A-Long at Videopolis in Disneyland Park.
It will only be a 2-day test and the characters of Anna and Elsa won't be there.

Here is the flyer for this Sing-A-Long Event:

According to @InsideDLParis this is a try-out for Chaparral Theater in Frontierland.