Mark Aitken examines the relationship between photography and sound. This week: Aleister Crowley described the potential of magick ritual as 'every man and every woman being a star'. Can the taking of a photograph be recognised as a ritual in itself? Tonight we delve into Sara Hannant's book 'Of Shadows - One hundred objects from the Museum of Witchcraft,' published by Strange Attractor Press. With music by John Zorn, The Incredible String Band, Comus and Black Widow.