Sue Perkins challenges Gyles Brandreth, Tony Hawks, Emma Sidi and Desiree Burch to speak for 60 seconds without repetition, deviation or hesitation. Subjects include Dame Maggie Smith, my favourite pizza topping and Wimbledon.

Production Coordinator: Sarah Nicholls

Sound Editor: Marc WillcoxProducer: Georgia KeatingExecutive Producer: James RobinsonAdditional material by Eve Delaney

An EcoAudio certified production.

A BBC Studios Production for Radio 4.