ACROSS

 1  Is the musician who has it completely in the dark? (8, 6)

10  Slice is as you will, it still brings out something. (7)

11  Mr. Turk. (7)

12  I’ve a car, and a passion for riches. (7)

13  Philadelphia emmet? (7)

14  Not outings where they might hold a race for the 13. (7)

15  Box with brown finish. (7)

16  Be equal, and get even. (7)

20  Not one of Hmmett’s “Stout Fellows.” (4, 3)

23  How a careless grammarian might make a verbal mistake ? (7)

24  Error one might make on flight? (7)

25  Smart since it’s become a metropolis. (7)

26  Cause to sour. (7)

27  The wrong crypt? (1, 5, 7)

DOWN

 2  A great place to keep it in mind. (7)

 3  Nothing to hold, but often held. (7)

 4  Should such coats be orange-colored? (7)

 5  What your chiId does in great form on the Ides of March? (7)

 6  She’s of the blood royal. (7)

 7  Study with address, to touch on a subject. (7)

 8  Tossing out your mother-in-law (perhaps in the absence of 1)? (8, 5)

 9  Disproving the phrase “as deaf as a post.” (9, 4)

17  Knotty problems are solved by it. (7)

18  A “B” and an “A”. (7)

19  An ugly object rose up in view. (7)

20  Apt in my responding to a blow on the head, (7)

21  Examine pins, etc. (7)

22  Pick this, but there’s no point to it. (7)