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ACROSS

 1 Like the Sabbath day, happening in silence (7)

 5 Representative sample of small timepiece (6)

 8 Proprietor of regressive gambling center admitting women (5)

 9 This gal plays music for law enforcers (8)

11 Conductor to read in Icelandic, initially (9)

12 Tears apart flower (5)

13 Old king with an afterthought in convoluted yarn: It could put you to sleep
(10)

16 Italian’s three-kilometer journey (4)

18 Hose box (4)

19 Like a carriage, perhaps… but wait, how did it hold the pencil? (5-5)

23 Mistreat and manipulate beaus (5)

24 Enrich returning official with connection involving Taylor (9)

26 Top of a tree containing salt (8)

27 Perform better with love notes (5)

28 Start to wrangle with senior metalworker (6)

29 Comfortably ensconced at the ballpark, the Cardinals filling requirement
(7)

DOWN

 1 Annie Oakley’s heavenly body (8,4)

 2 See 15

 3 Storyteller’s incoherent rant and roar (8)

 4 Inn’s peppery seasoning lacking a bit of thyme (7)

 5 Type of secret agents covering European Community (7)

 6 Creature’s thin layer lifted (6)

 7 Where to have a dinner party in, say, Dodge, Iowa (9)

10 Four-minute mile, four-minute mile, four-minute mile… (6,6)

14 Horribly evil curse and foul vice lures private into warped, cruel vise (9)

15 and 2 Nouveaux riches from an average planet (8)

17 They give you guidance for keeping the glare off of television commercials?
(8)

20 Policeman’s bid to smuggle integrated circuit (7)

21 Doctor’s child repressing desire (7)

22 Trotsky: 1D or 1D? (6)

25 Saint Elizabeth conceals information (5)

SOLUTION TO PUZZLE NO. 3391

ACROSS 1 NT + RAN + CE 9 “two cans” 10 N + AT + URAL 11 & 24 RED + ONE 12 AHA + S + SEE 13 anag. (&lit.) 15 2 defs. 17 “writs” 19 ST(R)EAMERS 22 LA(TIN)G 26 IM + P + EACH 27 rev. hidden 28 T(AKEOUTC)OFFEE (OK, acute anag.)

DOWN 1 hidden 2 A’S + UNDER 3 DI(ALTO)NE 4 NASA + L 5 RE(N + TALC)AR 6 NO(TBA)D 7 hidden 8 phonetic hidden 13 A(U + REVO)IR (over rev.) 14 [pi/MU]-STACHIO 16 KA(NGARO)O (groan anag., oak rev.) 18 TENS (anag.) + POT 20 anag. 21 HIJ(AC)K 23 anag. 25 init. letters