MobyAmazon. com Throughout his ponderous career, Richard M. Hall (a. k. a. Moby) has mutated from skinny techno antistar to vegan Christian crusader to guitar wielding punk and back again, picking up new fans (and new detractors) along the way. Although his brand of pop music has fallen out of favor with the techno cognoscenti, you can't ignore Moby's role in bringing the European variation on techno to American shores, transforming it from the mainstay