Overview
- Garrix closed his Tomorrowland set by bringing The Edge onstage to play guitar over Bono’s vocals for the previously unheard track 'Fireflies'.
- Martin Garrix confirmed the collaboration on Instagram and made pre-save and preorder links available ahead of the single’s planned release on July 24.
- The live debut features a repeating chorus of “Fireflies, you and I are fireflies” and is officially credited to Martin Garrix and U2.
- It remains unconfirmed whether 'Fireflies' will appear on U2’s forthcoming 15th studio album or on any of Garrix’s upcoming releases.
- The pairing continues a long-running working relationship between Garrix and U2 members that includes the UEFA 2020 anthem and Garrix’s production and writing credits on recent U2 tracks.