MP's son Archie Lamb manages Dappy and Dot Rotten
Its inaugural event will run from November 3-5 at various unusual venues around Shoreditch
400 new and established acts set to perform around Brighton over the weekend
New entries also come from Tove Lo, Roisin Murphy, Leonard Cohen and The Fall
LA band line up one-off gig at capital's Heaven venue on June 23
Pre-sales allow tickets to be purchased before going on general sale
The spoken word artist will tour the UK in October
Warner Music's Stephen Cooper warns rival companies to keep free-tier streaming
Festival will continue for at least three years after council votes in favour of the move