An estimated audience of 40 000 people attended the PSY concert at Seoul University that featured IDEA System as Main PA.
24 elements of EVO20-M with 8 active BASSO36t-A Subwoofers were setup as Main PA and 4 elements of EVO20-M stacked on BASSO36t-A served as side-fills for PSY that, obviously, performed the popular Gangnam Style.