Glass Animals headlining London’s O2 Arena was “very special” for the band,” explained vocalist Dave Bayley. After looking out onto the screaming crowd though, he decided sincerity could wait.

Hailing from Oxfordshire, Glass Animals is comprised of childhood friends Dave Bayley, Drew MacFarlane, Edmund Irwin-Singer and Joe Seaward. The group released their debut album Zatana in 2014 ...