Junior Joe Tempel leads a cappella group Surreal Sound’s practice Wednesday at Unity High School in Tolono. Tyler Gunn pretends he is holding a microphone during practice as Unity’s a cappella group ...

Without sound design, film would be a bland medium. A character would walk into a room, and you wouldn’t hear footsteps. Crickets wouldn’t chirp on a summer night. The patter of rain in a forest would ...