Claude VonStroke (music group)

LED makes a splash in EDM

LED makes a splash in EDM

Before he became one of the West Coast's foremost dance music promoters, Johnny Shockey played hockey for the junior-league San Diego Gulls and trained with the L.A. Kings. His two most recent careers don't share much of a skill set. But an ability to take body blows and climb back to your feet is an asset in the concert-promotion business.

"It's still a risk at every show," Shockey said. "There are times where it's absolutely perfect, but early on there were nights where you're like, 'My God, how long can we keep doing this?' "

Shockey has been having fewer of the latter lately. Since founding the EDM-focused promotion firm LED in 2009 with partners...