It seems we just saw this theme very recently - last week maybe. Anyway, what does that matter, really? It's a theme you see somewhat frequently, and here it's done in a nice pinwheel symmetry, with a central revealer. Not bad.
Some good stuff in here. I like SCHWA (24D: Vowel sound represented by an upside-down "e"), even though the clue might as well have been "Type in "SCHWA,"" and I like the word BOSH (49D: Claptrap) and its clue, even though no one I know says either one. I'm going to make an effort to use "claptrap" more.
There's interesting trivia with 33D: How many times Laurence Olivier won a Best Actor Oscar (ONCE), but PEEVE (46A: Annoy) crossing TEED (41D: Angry, with "off") is a bit of a peeve, and ticked me off a little. I don't love MOPER or ENGR, and it's almost angering to see LENTO, which gave us such trouble on Saturday with it's clue of "Leisurely," get such simple treatment here (8D: Slow, musically). The theme answers are all decent, though, and overall, it's not a bad Tuesday, I don't think.