Martin Garrix gave fans a surprise during his Tomorrowland set.
The Dutch DJ debuted his new collaboration with U2, “Fireflies,” during his headlining performance Friday (July 17) at the festival in Boom, Belgium.
For the debut, U2 guitarist The Edge joined Garrix onstage to perform the previously unheard track, while Bono‘s vocals played as part of the song.
Garrix closed out Tomorrowland’s opening day with the main stage headline set at De Schorre.
For the final song of the night, The Edge added his signature guitar work to “Fireflies,” marking the song’s live debut before its…
