>> music festivals would also be at this dj tent, over the years that tent kept getting bigger and bigger. >> the super star djs, diplo, david guetta, cascade, these guys are pulling in millions as headliners. ♪ >> hip hop stars are becoming rock stars. djs are becoming rock stars. the only people who aren't becoming rock stars are rock stars. >> pop. >> the idea of just standing there and staring at someone on stage is a 20th century idea. whereas in the 21st century it's more interactive, more about us as an organism. >> come on. >> clap your hands. clap your hands. clap your hands. >> in the 2000s, we saw an