In honor of the country’s 250th anniversary, the Trump administration has set out to throw America’s biggest birthday bash yet—but it might be short on music. Earlier this week, Freedom 250—the nonpartisan group tasked with organizing events in honor of 250 years of independence— announced a concert series lineup for its flagship event, the Great American State Fair. But less than 48 hours after the announcement, most of the announced artists have backed out. The 16-day festival is to be hosted on the National Mall, featuring exhibits from 56 states and territories, similar to a World’s Fair, running from June 25 through July 10. The fair has gained attention for its extravagance, including 110-foot Ferris wheel, and its ties to the president, but is now making headlines for a scarce artist lineup.…