Puzzle

 ACROSS

  1 With 67-Across, musical acts that are a theme hint

  6 Prosciutto and others

 10 Exactly

 14 "Golden needle" mushroom

 15 Spoken

 16 What's more

 17 Home Depot alternative

 18 Singer Del Rey

 19 Highland skirt

 20 "Poison" group playing "Whip It"? (see letters 8 to 11)

 23 Like the Marx Brothers

 26 Apple's mobile platform

 27 Latish lunch hour

 28 "___ gotta go!"

 29 Darn

 30 Makes a selection

 32 Image Awards org.

 34 Curling or squash

 35 "You Can't Hurry Love" group playing "Losing My Religion"? (7 to 9)

 39 Mournful work

 40 Remark to the audience

 43 Uninformative response to "What's new?"

 46 Make a selection

 48 "Milk" director Van Sant

 49 Nasal spray brand

 50 Barinholtz of "The Mindy Project"

 51 Prepare, as an onion

 52 "Paranoid" group playing "Waterloo"? (7 to 10)

 56 Mexican peninsula

 57 Nephew of Donald Duck

 58 Uber, to Lyft

 62 List-ending abbr.

 63 No. 1 dad?

 64 Totally goofy

 65 Lairs for bears

 66 Nonspeaking performer

 67 See 1-Across


DOWN

  1 Goofy picture?

  2 Yoko in "Isle of Dogs"

  3 Pledge

  4 Just manage

  5 Get out of bed

  6 Like a log you can look inside of

  7 Many Middle Easterners

  8 ___-pedi

  9 Croat, e.g.

 10 Be a diligent student

 11 Mediterranean pizza morsels

 12 At an angle

 13 Symbols on tribal poles

 21 "I didn't cheat," perhaps

 22 Sort who gets walked all over

 23 California wine, familiarly

 24 Director DuVernay

 25 Without ice

 29 Go caving

 30 EMT's technique

 31 Garden tool

 33 Compound components

 34 Mata Hari, for one

 36 "Just a ___!"

 37 Sound of disgust

 38 Sound of relief

 41 Pair

 42 Clairvoyant's power, briefly

 43 Caught red-handed

 44 In recent times

 45 Emperor before Hadrian

 46 "I'm cool with that"

 47 Wasabi-coated legume

 50 Girder shaped like a vowel

 51 Fancy dinnerware

 53 Counterfeit

 54 Car with a four-ring logo

 55 Chi-Town paper, with "The"

 59 Delivery vehicle

 60 Wheel-deal link

 61 "___ Miserables"

Solution