Offer now expired: Get a 2 for 1 deal on tickets to Sound of Fear: The Musical Universe of Horror

Sound of Fear: The Musical Universe of Horror , which takes place on 3 September, will feature some spine chilling audiovisual performances and an international cast of artists, critics and horror movie composers. Together they'll be celebrating the music and and soundscapes of horror classics such as Halloween, Psycho, The Shining, Dawn of The Dead and The Omen. Sound of Fear is part of Vision Sound Music , a three-day festival at London's Southbank Centre that celebrates where and how music, games, film and advertising meet. You can find out more on the festival's website at <a http://visionsoundmusic.com Extra members can get a 2 for 1 deal on tickets for the combined Parts 1 and 2 (normal price £17.50) to Sound of Fear: The Musical Universe of Horror at the Southbank Centre on Saturday 3 September. Members can also win one of five sets of Hammer books from recently launched Hammer Publishing (each set contains 5 different titles). Titles include three re-issues from Graham Masterton, a reprint of The Witches by Peter Curtis and a novelisation of Hammer's recent thriller The Resident. Enter the competition to win the books here . The offer is valid until noon on Saturday 3 September. Take up this offer Offer now expired Help with offers and events • Extra is free to join. You need to be a member of Extra in order to see the redemption pages. To register your email address for the first time, select the 'Click here ...' link above. • Members also need to sign in to guardian.co.uk at the top left of the screen to be able to take up offers, book tickets or enter competitions.