Puzzle

 ACROSS



  1 Relish containers

  5 Caribou's cousin

 10 Sci-fi vehicles

 14 Wild way to run

 15 Composer Copland

 16 "Nick at ___"

 17 *Game show with a loud "Strike" sound effect

 19 Cut, or cut sound

 20 Shade-tolerant bloomers

 21 Program such as "The Allusionist"

 23 Sticky secretion

 24 Going around in circles

 25 Establishes

 28 Graf who won five US Opens

 31 Silly, to a Brit

 34 Hits lightly

 36 Wee hour

 37 Game with Wild cards

 38 *Meal where you hear the loud sizzle of batter

 40 Sch. whose students get a discount at Monticello

 41 Feed, as a fire

 43 Duct ___

 44 Come apart, as a rope

 45 Take for ransom

 47 Parkinson's drug

 49 Pet that's illegal in California

 51 Saying

 55 Astronaut Gus

 57 Array of resources

 59 Cleaning cloths

 60 Very loud, in music ... or a hint to the starred answers' initials

 62 Arthur who won the Open Era's first US Open

 63 Shopping list components

 64 Whoop ___

 65 Damon of "The Martian"

 66 Past or present

 67 Interior designer Berkus

DOWN

  1 "Aladdin" villain

  2 Really impress

  3 Some tomatoes

  4 Way up a slope

  5 Rudolph of "Bridesmaids"

  6 Big lugs

  7 Catan resource

  8 Progresso products

  9 Funds, as a scholarship

 10 Turn out the light?

 11 *March Madness round with especially loud crowds

 12 Redding of soul

 13 Six mos. after March

 18 Fallon predecessor

 22 Simple song

 24 Paving supply

 26 One of Hank Aaron's record 2,297: Abbr.

 27 More than 50%

 29 Bean paired with pecorino

 30 "Possibly"

 31 When many parks close

 32 The "A" of NSAID

 33 *Unruly cafeteria event with loud students

 35 "Monk" force, briefly

 38 Nightmare sources, perhaps

 39 ___ Speedwagon

 42 Israeli diet?

 44 What an opening shot often does

 46 Make money

 48 Say "No thanks"

 50 Twitch chat symbol, informally

 52 "Sweet Love" singer Baker

 53 Spectrum

 54 Avoid a big wedding

 55 Metric mass measure

 56 Tabula ___

 57 24-hr. cash dispensers

 58 Increase

 61 "Star Wars" villain Kylo ___

Solution