Mealey's (April 1, 2021, 8:47 AM EDT) -- SAN FRANCISCO — Pop star Katy Perry and others connected with her hit song “Dark Horse” argue in a March 29 appellee brief that a Christian rap musician who alleged copyright infringement of one of his songs did not demonstrate any intentional copying of the song’s protectable elements, asking the Ninth Circuit U.S. Court of Appeals to affirm a trial court’s judgment in their favor....