As the U.S. music industry reeled in the wake of the postponement of basically every major current tour for at least the next few weeks amid coronavirus concerns, the U.K.’s largest festival, Glastonbury, unveiled more than 90 additional acts for its scheduled 50 th anniversary event — including Kendrick Lamar, Dua Lipa, Pet Shop Boys and more — joining the already announced headliners Taylor Swift and Paul McCartney.