1: Band blaster

4: Blubber

8: Rush hour phenomenon

11: Murmurs tenderly

13: Along the line of rotation

15: Ruing the run, perhaps

16: Greatest amount

17: Investigate, with 'into'

18: State highway

19: 'Come on in'

21: Most reliable

23: Nitty-gritty

25: Gyrate

26: Like a failed space launch

30: China piece

34: Free

35: Kissing game turns

37: Scottish cake

38: Ran in the wash

40: Rock garden creeper

42: Crude living quarters

43: Grimm goons

45: 'Poison' shrub

47: Louse egg

48: Curdling agent

50: Art connoisseurs (var.)

52: Lowly laborer

54: Foal's father

55: Short-lived

60: Remedies

63: Spooks' sounds

64: Had a virus, say

66: Letters on a keyboard key

67: Frankenstein monster feature

68: Rain's effect on a baseball game

69: Roman wrap

70: Like a wallflower

71: Levee

72: The old man

1: Very top

2: Night light

3: Like many Thomas Pynchon or Don DeLillo novels

4: Good, ironically, in slang

5: Gives the heave-ho

6: Droop

7: Washes

8: ___ de vivre

9: Cumbersome boats

10: Bump into

12: Operate the rudder

14: Bounded

15: Popeye's energizer

20: Snitches

22: Runs out of gas

24: Rewards for waiting?

26: Shady spot

27: Nonsense

28: Competes

29: Provide with a trait

31: What the letter C is?

32: Free from restraint

33: Annoying ones

36: Addition problems

39: Least likely to understand

41: Bathroom rugs

44: Appear

46: Stylish

49: Bald tire's lack

51: Burp

53: Like green tomatoes of film

55: Reduces in intensity

56: Eeyore's friend

57: ___ Cross

58: Friend

59: Information from Deep Throat

61: Thus

62: Masher's comeuppance, maybe

65: Stain, as a fabric