New Delhi, July 19 -- Fans roared in excitement and organizers sighed with relief as the Tomorrowland music festival kicked off Friday - two days after a massive fire engulfed the main stage and threw one of Europe's biggest summer concert events into doubt.

Workers labored around the clock to clear out the debris from the elaborate backdrop that was consumed in Wednesday's fire.

The festival's opening performers, DJs Odymel and Pegassi, took to the main stage Friday after a last-minute scramble and slight delay, with charred set frames still visible behind them.

Australian electronic music group Nervo came next, opening their set by shouting: ''We made it!''

No one was hurt in the fire, organizers said. The cause is being investigate...