David Guetta at LIV happens Friday at 11:30 ... Friday also kicks off the first day of the Ultra Music Festival at Bayfront Park, running from 4 p.m. through 12 a.m. Pricing starts at $399.

David Guetta, known as “the grandfather of EDM”, is one of the greatest electronic music artists of all time – and, at 50, he’s still going strong. The French DJ and producer was in Hong ...