“Four sisters escape their tower and collide with the outside world. Where fairy godfathers rule and happy endings come at a cost.” There is a certain irony in calling a musical Bliss when, for much of its 80-minute running time, I was desperately searching for mine. On paper, this should be a major Fringe event. A large-scale new musical, seventeen West End performers, Olivier Award-winning creatives and producers behind Cabaret and The Great Gatsby, and my personal favourit