1. What covers the North Pole β ICECAP
2. End of some sentences β PAROLE
3. Having a certain natural hairstyle β AFROED
4. Furniture piece for a talk show host β DESK
5. Shade of yellow β AMBER
6. More abrupt in language β TERSER
7. Hire to the team β BRINGON
8. Band with the aptly titled debut album "High Voltage" β ACDC
9. Stratum β TIER
10. Marketplace with stalls β BAZAAR
11. Occasion for a percussionist to shine β DRUMSOLO
12. With 13-Down, "___ can eat" (restaurant come-on) β ALL
13. See 12-Down β YOU
21. Inuit's home β IGLOO
22. Time unit aptly hidden in "paleontology" β EON
26. University in North Carolina β ELON
27. Difficult, tiring work β SLOG
29. Comic actress Wong β ALI
31. Unit of flour β CUP
32. Door handle β KNOB
34. Untuneful trumpet sound β BLAT
37. Lacking much thought β RASH
38. Water, in Oaxaca β AGUA
39. Aforementioned β VERYSAME
40. Hospital area with IVs β ICU
42. News media β PRESS
43. Crosstown rivals of the Cubbies β SOX
46. Windpipe β TRACHEA
49. Decision-making consideration β FACTOR
50. Neither here ___ there β NOR
51. Only black key in a G major scale β FSHARP
53. Fodder for "Jeopardy!" β TRIVIA
54. Alludes (to) β REFERS
55. Not interrupted by commercials ... or shortened like the middle words of 20-, 30-, 48- and 60-Across? β ADFREE
58. Ties that are hard to untie β KNOTS
61. Super-uptight β ANAL
62. Bit of bathroom dΓ©cor β TILE
63. Do, re or mi β NOTE
64. It goes around every year β FLU
65. Short ___ (beef cut) β RIB