From Longman Dictionary of Contemporary Englishlight showˈlight show noun [countable] AVa type of entertainment that uses a series of moving coloured lights, at a pop concert
Examples from the Corpus
light show• Maybe if you were stoned at a light show the Jimi Hendrix Experience could be boogie fodder.• The Experience is no more and no less a light show but a light show seen nowhere else.• The tour ends with an interesting sound and light show.• But the nights there gave me an idea later for a psychedelic light show, so they weren't all waste.• The sun slipped over Flakstad church and the light show began. 