The cast prepares for the first dress rehearsal of Shrek the Musical at the Waterville Opera House on Wednesday.

Shrek the Musical will be playing on April 4, 5, 6, 11, 12 and 13.

The performance features music by Jeanine Tesori, and book and lyrics by David Lindsay-Abaire.

Tickets are $21 for adults and $19 for seniors and students.