During their headline set, the frontman also referred to the crowd as the "Glasgow Children's Choir"
Casablancas gave the woman props for her “tremendous effort”
Clairo was forced to cancel her scheduled slot at the Lisbon festival due to travel issues
One attendee said Casablancas looked “stiffer than a student on a wagon ride”
Confusion and miscommunication reigns, but with a line-up this stellar, the music wins out
"Had my fucking mind blown yesterday"
The Strokes frontman is the latest musician to hop on the trend
Frontman Kevin Parker said they performed the cover "just for" the Barcelona audience
The band were set to headline tomorrow night (June 3)
It'll be the second night in a row that Trent Reznor and co. headline the festival