If we were to define Punk Rock acts in terms of food, Bad Religion would be a complex salad, Black Flag a slab of lean steak, Ramones a rich all-toppings-in sundae and The Casualties a box of Twinkies with a side of barbecue-flavored Ruffles chips.   

As they seem to do every five years or so, The Beastie Boys have returned to the music world, just in time to provide a lesson to next-generation Pop tarts on how to have a long, successful career in music without sacrificing creative progress or integrity.