August Jam

August Jam was an outdoor concert held on Saturday, August 10, 1974, at the Charlotte Motor Speedway outside of Charlotte, North Carolina, in the United States. The concert promoter was Kaleidoscope Productions and it was sponsored by radio stations WAYS and WROQ. The concert featured The [Allman Brothers Band], Emerson, Lake & Palmer, Foghat, Black Oak Arkansas, The [Marshall Tucker Band], The [Ozark Mountain Daredevils], PFM, Grinderswitch, and others. The Eagles were booked to play, but canceled. It was the largest concert ever held in the state of North Carolina and one of the largest in the U.S. at that time, with an estimated attendance in excess of 300,000.

History

The November 1974 issue of Circus magazine had this to say about Emerson, Lake & Palmer's performance:
There was a limited number of tickets sold prior to the concert, and when many thousands of additional fans showed up on the day of the performances, those thousands proceeded to crash the fences and rush to the infield. Many of the facilities were overwhelmed due to the crowds, and the weather did not cooperate either, producing a sporadic rain that drenched the concert goers, and turned the infield into a muddy quagmire. However, the music went on as scheduled.