Great Fun Quiz question 41

Think the long fellow.

1939 (uncredited) & 1954.

As to no. 20 re opera/anagram, I'm still trawling through links/websites. Can you offer more of a clue/hint on that one please?

the composer is in this list http://opera.stanford.edu/composers/ - use the clues already given to find the answer.

Thanks finally solved it

Another clue re 20 think fairies

That's the breakthrough, cracked it at last! Many thanks {obscure!?}

Hopefully all now have 50?

     This piece of information is absolutely insignificant and it does not worth wasting your brain cells to store it. This is declarative knowledge and if you want to know all the facts in the human history that are absolutely declarative knowledge and hence spam of any kind your head should become an waste bucket ... which is actually the worst case scenario of knowledge acquisition and knowledge storage.
     If you want to become a genius of seventh star magnitude you should start acquiring procedural knowledge ... and make an inference engine out of your reasoning in the first place.