With the rising price of concert tickets, artists must work overtime to make a show worth the trip for many fans. How an artist does that varies, but Rosalía has a foolproof tactic — putting on one of the best live shows of the last few years. Inglewood’s Kia Forum was outfitted to look more like audience members were going to the ballet rather than a pop concert. It’s fitting because when the Spanish singer-songwriter took the stage at the Kia Forum in Inglewood on Wednesday (July 1) around 9 p.m., she was every bit the ballerina the setting called for. Rosalía emerged from a crate brought downstage by “stagehands,” backup performers, to stand center stage as if she was in the middle of a music box. She kicked off the show with “Sexo, violencia y llantas” from her most recent album and the tour’s namesake Lux . The album has been widely considered the singer’s best work to-date, featuring over a dozen different languages and recorded in the studio with the London Symphony Orchestra.…