‘Blue dot fever’? What's really behind a tricky summer dynamic for live music

Rolfo | Moment | Getty Images This summer, mega artist Harry Styles will take the stage at Madison Square Garden in New York City for an exclusive 30-show residency – his only planned stop in the country and a show that's garnered intense attention since its announcement. Despite her best efforts, Shira Elfassy won't be there. "His tickets were absurd," Elfassy, 29, told CNBC. …