This year's Insomniacs' Ballt will take place at SeOne, Great Western Street, London Bridge on 31st May from 9pm - 6am. Performances will come from Joe Lean and the Jing Jang Jong, The Ghost Frequency, Haunts, Dead Kids with further DJ sets and cabaret performances. Advance tickets cost a mere £9.50 with a special offer of one free drink for every drink you purchase before 11pm.
For more information see here.