YUNGBLUD — the Doncaster artist who turned emo and pop-punk and glam rock and TikTok all into a single vehicle and drove it directly at an audience that was already waiting for exactly this — bringing the IDOLS World Tour to the Greek Theatre in Los Angeles on May 22nd. The Greek Theatre is the right size for what YUNGBLUD does live. He performs for rooms that want to be performed at, and the Greek at 5,800 seats is the scale where the production can expand and the crowd can still feel like a crowd rather than a field. The Idols era is the most musically developed version of what …