Jo Brand at the mic

Jo was the first of five fearless comedians-turned-announcers to enter the Radio 4 studios for 'Comics in Con', Radio 4's most unpredictable contribution to Red Nose Day. Listen to Radio 4 between now and PM today and you'll hear, in turn, Jo herself, Arthur Smith (crashing the pips as I type this), Paul Whitehouse, Liza Tarbuck and Angus Deayton - all tackling the famously difficult task of linking radio programmes. Here's a handy compilation of Jo's bit of the day's fun and games. More will follow as the day unfolds.

Audio edited by Tom Rogers.