At age 47, Tiësto is still embracing the challenge of remaining relevant in what is an increasingly growing pool of DJs hoping to reach his level. He’s still as excited about performing his next set as he was when he started DJing in front of a handful of people at bars and clubs in 1994. This Friday, Tiësto is celebrating the 500th episode of his globally syndicated radio show CLUBLIFE by playing a special six-hour set at the Ziggo Dome in Amsterdam.

Still as relentless and passionate as when he first started doing all this, we caught up with Tiësto to talk about why he’s still doing this—and why he wants to continue doing this.

[Read the full interview at GQ]