Getting your Trinity Audio player ready... Pop star Rosalía on Thursday postponed the two concerts at Miami’s Kaseya Center that were to open the North American leg of a global tour supporting the Spanish singer’s hit album, “Lux.” In an Instagram announcement, Live Nation cited a “family emergency” for the last-minute decision to postpone Miami concerts scheduled for Thursday, June 4, and Saturday, June 6, as well as a show set for Monday, June 8, at the Kia Center in Orlando.