What is the fine-grained topic of the following text: However, Mike has revealed he'd love for the surviving members of the group to play the world famous festival's Sunday afternoon legends slot at Worthy Farm in Somerset, South West England, which has seen the likes of Lionel Richie, Bee Gees' Barry Gibb, Jeff Lynne, Dolly Parton and Dame Shirley Bassey perform over the years. Only return the topic.
Mike's desire for a group's performance at the Worthy Farm festival.