The surprise wowed attendees with “Inside Our Hearts” (due July 25 via STMPD RCRDS) this past weekend in Split, Croatia.
Dance music heavyweights Alesso and Martin Garrix delivered a moment for the ages during Ultra Europe 2025, debuting their highly-anticipated single “Inside Our Hearts” on the festival’s main stage in Split, Croatia.
In a surprise move, Alesso brought out Garrix during the closing moments of his set, electrifying the crowd with a back-to-back of massive anthems before unveiling the new track, “Inside Our Hearts,” which is set for release July 25 through Martin’s very own STMPD RCRDS.
The pair ignited the stage with reworks of festival staples like Ingrosso and Tommy Trash’s “Reload,” a mashup of Garrix’s “Scared To Be Lonely” with Dua Lipa, and Alesso’s classic “Calling (Lose My Mind)” – but it was the emotional reveal of “Inside Our Hearts” that truly stole the show. “We’ve been working on this song for two years, and think we finally finished it,” Alesso told the crowd just moments before the duo launched into the track’s uplifting melodies.
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Some fans may already recognize “Inside Our Hearts” from early teases in Garrix’s 2023 Ultra Music Festival set, but this marked the song’s official live debut. The performance aired worldwide via Ultra’s #ULTRALIVE stream on UMF TV, reaching millions of viewers. With the track’s euphoric buildup and heartfelt energy, it’s already being hailed as one of this year’s most memorable festival moments.