Coldplay is set to headline the 2026 FIFA World Cup final halftime show, joining the Muppets and the PS22 Chorus, while also making headlines for mystery $20 tickets and rare auctioned recordings. Meanwhile, other artists like Olivia Rodrigo and Kaiser Chiefs are engaging with Coldplay's cultural influence, and global music figures including Brian Eno and Massive Attack are uniting in calls for a Fossil Fuel Treaty.