at the drop of a hat

"He bought Twitter so that he had clout and would be able to - at the drop of a hat - reach hundreds of millions of people," Donovan said.

Famously, they'll take requests from the audience, often playing other artists' songs at the drop of a hat.

“I personally prefer being in the office, to be close to my team and to be able to chat through things at the drop of a hat,” he said.

To summon such challenging and intricate music at the drop of a hat is another of the band’s magic tricks.

But at the drop of a hat— and I knew this on the first tape, we did a test together — if you help her, she could reach a profound emotion in a second and connect with grief in a second.