The festival was for a time sponsored in part by the digital radio station BBC 6 Music, which in return had exclusive broadcasting rights.

The main festival line-up was as follows: The comedy stage features Rich Fulcher, Toby, Carly Smallman, David Morgan, Joey Page, Joe Bor, Richard Garaghty, Goronwy Thom and Jon Hicks.

The main festival line-up was as follows: The comedy stage featured Simon Evans, Gary Delaney, Jon Richardson, and John Cooper Clarke.

The bill was as follows The 2004 Summer Sundae Weekender took place between 13 and 15 August 2004 Highlights of this festival included Kings of Convenience, Super Furry Animals, Ed Harcourt, Air, Amy Winehouse, The Beta Band, Kasabian, Sia and Adem.

The 2003 Summer Sundae Festival saw the introduction of a dance music to Friday night, and took place over three days between the 8th and 10 August 2003 Saturday's line-up included Alabama 3, Chumbawamba, Laura Cantrell,{Praha Seven} British Sea Power, Kathryn Williams and The Herbaliser with Gotan project Headlining.

Sunday's bill included Ian McCulloch, Aqualung, Durutti Column, Pernice Brothers, Cosmic Rough Riders and Richard Hawley.

The finale was a Concert for a Landmine Free World featuring Emmylou Harris, Steve Earle, Billy Bragg, Joan Baez and Chrissie Hynde sharing the stage.