He creates a chart on which he maps every measure of the music at times, every beat specifying what lights will hit what part of the performance.

WSJ: Lighting Designer Al Gurdon: The Light Master of Super Bowl Halftime

Within a command-and-control regulatory program, performance-based standards may offer advantages over standards specifying design, behavior, or manner of compliance.

WHITEHOUSE: Memoranda 01-27 (Guidance for Implementing E.O. 13211)