High School Musical<br> Review By BOB VERINI
The Laguna Playhouse Youth Theater's energetic, hey-hey-ho-ho mounting -- its young cast making this essentially a high school musical in its own right -- illustrates why this wholesome property is destined to replace "Bye Bye Birdie," "Grease" and even "Legally Blonde" as the avatar of tweener musical theater for the foreseeable future.