Theme: Musical Monday - Linking four bands today.
16A. Birds on United States seals : BALD EAGLES
24A. Commonly multi-paned patio entrances : FRENCH DOORS
37A. Reptiles known for their strong jaws : SNAPPING TURTLES
46A. Bank transport vehicles : ARMORED CARS
56A. Musicians found at the ends of 16-, 24-, 37- and 46-Across : ROCK GROUPS
Argyle here.
Across:
1. Basil sauce : PESTO
6. Pops, to baby : "DADA"
10. Sacred assurance : VOW
13. Sound from a lily pad : CROAK
14. 88 or 98 automaker : OLDS. The Rocket 88.
15. Give a ticket to : CITE
18. Longing feeling : ACHE
19. Old photo hue : SEPIA
20. Started the poker kitty : ANTE'D
21. Explosion noise : [¡BAM!]
27. Hop out of bed : ARISE
29. More like a cad : RUDER
30. Send a racy phone message to : SEXT
31. Changed into : BECAME
34. Apt anagram of "aye" : YEA
40. Actor McKellen : IAN
41. Briefs, informally : UNDIES
42. 50-and-over organization : AARP. (formerly the American Association of Retired Persons)
43. Somber melody : DIRGE. I think some of the Doors work could be called 'rock dirge'.
45. Red-nosed "Sesame Street" character : ERNIE
51. Poetic nightfall : E'EN
52. Quicken offerings : LOANS. Now offering "Rocket Mortgages"
53. Reebok rival : ASICS. Sport shoes.
55. __ Spumante : ASTI. (Italian sparkling white wine)
61. Costa __ : RICA
62. Word for the calorie-conscious : LITE
63. Fertile desert spots : OASES
64. "I'm not impressed" : "MEH"
65. Arrived at second base headfirst, perhaps : SLID
66. Little songbirds : WRENS
Down:
1. Banned chem. pollutant : PCB. (polychlorinated biphenyl)A lot of it in my area.
2. Pitching stat : ERA. (earned run average)
3. South-of-the-border sun : SOL
4. Youngsters : TADS
5. Michael of "Caddyshack" : O'KEEFE. "No Coke"
6. "Git along" little critter : DOGIE. calf.
7. Edgar __ Poe : ALLAN
8. Pres. before JFK : DDE. Remember from Sunday?
9. Stubborn animal : ASS
10. Post-race place for a NASCAR winner : VICTORY LANE. February 21, 2016: Daytona 500.
11. Catchall check box : [OTHER]
12. Dandelions, e.g. : WEEDS
15. Kayak kin : CANOE
17. Earth Day mo. : APR. (April)
20. Poisonous snake : ADDER
21. Low operatic voices : BASSI
22. Sports venue with tiered seating : ARENA
23. Versatile, as a wardrobe : MIX AND MATCH
25. Shipping container : CRATE
26. Organic fertilizer : HUMUS. Not related to the chickpea mash, hummus.
28. Fuel additive brand : STP. (scientifically treated petroleum)
31. __-watching: TV viewing spree : BINGE
32. Put the kibosh on : ENDED
33. Movie SFX : CGI. (computer-generated images) Where would we be without it.
35. Tremble-inducing : EERIE
36. Trembling tree : ASPEN. Cute pairing.
38. Good vibrations, in the cat world : PURRS
39. Sticky road stuff : TAR
44. Ancient Aegean region : IONIA
45. Real-estate holding account : ESCROW
46. Smartphone wake-up feature : ALARM
47. Riveting icon : ROSIE
Ok, one more group but definitely not rock.
48. Desert plants : CACTI
49. Patronized a help desk : ASKED
50. Big truck : RIG
54. Zoom up : SOAR
56. Dr. Jekyll creator's monogram : RLS. (Robert Louis Stevenson)
57. Saudi Arabian export : OIL
58. "__ the Force, Luke" : USE
59. Confident crossword solver's tool : PEN
60. Escaping-air sound : SSS
Argyle