U2 have released 'Street of Dreams,' the lead single from their upcoming studio album, accompanied by a music video and described as a defiant anthem of hope. The band also debuted a new collaboration with Martin Garrix, 'Fireflies,' at Tomorrowland and during their Sphere residency in Las Vegas, which has inspired Metallica to launch their own residency at the venue. Meanwhile, a tribute album to Shane MacGowan features contributions from U2, Tom Waits, and Bob Geldof.