but their grasp of the structure and vocabulary of intelligent ambient music is firm, and their albums are positive, enjoyable and beautiful. they immediately got quiet and several of them came to me later to talk about it. just like any pair of twins, they share similar physical features, but each one is distinctly individual in personality and style. graveyard shift is a work shift running through the late hours of the evening to the early hours of the morning, typically from midnight until 8 am. then you won't miss out on anything and are prepared for every situation. 