Following is a summary of current entertainment news briefs.

Box Office: Russell Crowe’s ‘Unhinged’ off to decent start as U.S. theaters slowly reopen

After months-long cinema closures, the U.S. box office has opened to the most significant degree since pre-pandemic times. Movie theaters in Florida, Texas, Georgia and other parts of the country that were able to safely reopen welcomed the first major theatrical premiere since March: Solstice Studios’ “Unhinged,” a thriller starring Russell Crowe. The film played in 1,823 venues in North America, marking the widest release yet since the pandemic hit.

How big gatherings spread COVID-19: German scientists stage concert experiment

Around 1,500 volunteers equipped with face masks, hand disinfectant and tracking gadgets attended an indoor concert in Germany on Saturday as part of a study to simulate how the novel coronavirus spreads in large gatherings. As part of the so-called Restart19 study, researchers from the University Medical Center in Halle want to find out how cultural and sporting events can safely take place without posing a risk to the population.