The trio's surprise performance of the 2011 classic "Titanium" happened on the festival's mainstage during Afrojack's ...

Miami's Ultra Music Festival witnessed pop music history Friday night as David Guetta, Afrojack, and Sia appeared onstage to ...

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Sia and David Guetta have plenty of collaborations together, but 2011’s “Titanium” is one of the biggest. On Friday (Mar. 28), the pair performed the hit for the first time at the Ultra Music Festival ...

The biggest surprise on the first day was when David Guetta and Sia appeared during Afrojack's set on the Main Stage to perform "Titanium" together for the first time. Another highlight came when ...

Here's everything you need to know about this year's top music events frequented by Hollywood's elite — from the must-see ...