 Since then, several artists including Eric Clapton have performed there.Another concert featuring Led Zeppelin, Bachman–Turner Overdrive and J. Geils Band was in the works in 1975 but organizers cancelled it when they decided the facility couldn't handle the estimated 50,000 fans that were expected to attend.In April 1971 the Grand American Series of Professional Drag Racing had one of the first major drag racing events held at the track.