The Beatles

The Beatles were simply genius. Their being "against the grain" was a remarkable strength exploited to the fullest. They were never excellent musicians, nor were they poor or mediocre. It was their simplicity that proved positively devastating. The desire to do, to reach any goal, to materialize anything perceivable by the human ear and beyond. They succeeded, and I would say they did it magnificently. Immense. Why not, unique.