BBC Radio 1's Christmas Takeover

How does BBC Radio 1 find new presenters for the Christmas Takeover, and what are they looking for in a new voice? Georgy chats with Aled Haydn Jones, Head of BBC Radio 1, Alex Rata, Assistant Commissioner for BBC Radio 1 and Rachel McHalroy Commissioning  Executive for Radio 1 about the process and how this opportunity has been a springboard for successful radio careers.