High-Tech Lights Often Used by Rock Musicians Move Up and Down

Multiple Choice

High-tech lights often used by rock musicians move up and down and from side to side, change colors, and change the sharpness and width of a beam of light and allow for numerous decorative or atmospheric patterns, are now used industry-wide. Such lights are called

A) toggle lights.
B) flexilights.
C) automated lights.
D) spot lights.