Night lock: Diagramless

I think it's important to know that there's one square where the puzzle breaks from the usual crossword pattern of rotational symmetry. I'm not sure whether that's intentional, but not knowing that fact can make solving much harder. The square at

is black; the symmetrically corresponding square at

is white. That's the only discrepancy I found.

26A is a groaner. It has nothing to do with actors portraying or anything; think more of what's particular about Eliza Doolittle. A bigger hint: 

7D: what six string instrument does E. Van Halen play? Think of a particular 80's style. A bigger hint:

To clarify this for jsaldridge, you have the right number of letters. One of the letters is wrong. :-)

Yes, I'm afraid so - the circles, read from top to bottom, makes a word, there's no anagramming needed for this one.  If you posted your letters in that order, we can say which are incorrect...

One hint

21D 
52D


57A


67A

I'm stubborn. I don't want to use MPC's clues at all. Did anyone solve this without the use of letter amounts or the grid?