The Get Down continues to get transcendent with its music and silly with its bad guys

B-

Throughout the first half of “Seek Those Who Fan Your Flames,” we get several exhilarating sequences involving Shaolin Fantastic’s tutelage in DJing. It begins with Grandmaster Flash giving him and the other members of Fantastic Four Plus One a crayon, which holds “the key to his quick-mix theory.” After many joints…