Double double, toil and trouble. Fire burn and cauldron bubble. It’s almost All Hallow’s Eve and to mark the occasion this week Marty and Venetia have combed the catacombs (i.e. the internet and their own record collections) for appropriately spooky Seventies songs. Alice Cooper welcomes us to his nightmare, AC/DC ride a highway to hell and Cher sings a lovely murder ballad, to name but a few of this week’s offerings. Turns out the 70s was a scary, scary time…