Madness headline, they'll be joined by The Pogues, Fun Lovin' Criminals, Imelda May, The Rifles, Kid British, Dog is Dead, Natty, The Yeah Yous, Love Ends Disaster!, Alessi' Ark, John Allen, and more.
Local bands will get a taste of the festival experience as well.
Tickets are on sale priced from £10-£30, children under 10s have free entry. To buy tickets, click here.
Splendour will also feature a second stage for acoustic acts and comedians, plus a fun fair, kids' area and stalls. There's no camping - the deer won't have it.
More information will be here when available.

