We don t know.
Organizers can t estimate attendance by ticket sales because the event is free.
I felt like we were ambushed. But Delta spokesman John McMurchy said the municipality was caught off guard by the escalating plans for the outdoor concert. The original plans, he said, had the concert inside the arena. The Delta police were also surprised to learn of the scale of the outdoor concert. Police chief Jim Cessford said the department only found out about it less than two weeks ago.