The LA County Fair at Fairplex has announced its lineup of concerts and comedy shows, featuring a mix of returning favorites, chart-topping artists and a few surprises. Concerts will take place during the annual LA County Fair, which opens in May and runs through the end of the month. Concert tickets include admission to the LA County Fair on the night of the show. Here’s the full list of what’s coming to the LA County Fair this year. Sunday, May 24Zapp with Evelyn Champagne King – A funk-forward night featuring classics from the ’70s and ’80s.