Melissa Anderson Clark, Matthew McFate, and Brian Peterson in Shrek: The MusicalDirector/choreographer Christina Myatt nails the humor and heart of the story in Countryside Community Theatre's Shrek: The Musical, borrowing sparingly from the Broadway show's original directors, Jason Moore and Rob Ashford, without copying their achievement. Myatt's personal mark on the material is most clear in her choreography, especially in the rousing, showy "What's Up, Duloc?", with its Broadway-style kick-lines, and the subtly innocent "I Know It's Today," which involves Princess Fiona at three different ages (played, from youngest to oldest, by Ali Girsch, Emily Baker, and Melissa Anderson Clark). Yet while funny and full of energy, Myatt's Shrek also hits the right notes in its heartfelt moments, during which Myatt's pacing allows some welcome breathing room. And it also doesn't hurt that the musical, with its book by David Lindsay-Abaire and its memorably singable songs by Lindsay-Abaire and Jeanine Tesori, is a whole lot of fun.