The LBJ HS Royal Indoor Percussion performs a show based on variations of In the Hall of the Mountain King by Edward Grieg. This particular iteration is the first movement entitled Boo! - In a Darkened Hall, arranged by Key Poulan, Shawn Glyde, and Dan Bryan. This group is under the direction of Kevin Gonzalez. Music Techs include: Elias Elizalde Jr., and Homero Veliz Jr.