Wayne Coyne, lead singer of The Flaming Lips, likes to broadcast his eccentric behaviour. He and sometime collaborator Miley Cyrus have matching tattoos; he once tweeted photos of what looked like hard drugs during a recording session (they were actually Settler’s Tums); and promoted a vinyl picture disk by announcing that he was going to infuse them with blood samples from musicians, including Coldplay’s Chris Martin.

This gleeful loopiness translated to Saturday night’s concert at Brixton as the crowd beheld giant inflatable toadstools, a model unicorn (as opposed to a real unicorn – not out of the question in Coyne’s weird world) and 50 outsize balloons which were kept in the air for the majority of the gig. If Willy Wonka and Aldous Huxley got together and threw a party, I imagine it would look something like this.