Thesis and Topic for paper on Led Zeppelin--

Does this work for a thesis:Although some People do not recognize them as the best band, nevertheless, Led Zeppelin is among the most notable because of their many musical accomplishments
What would be a good topic for it?

I would not start the sentence out with a negative statement. I would just begin "Since the 60's,Led Zeppelin has been one of the most notible bands......"

Then you can develop your essay along the lines of how they innovated music over the years.