Interesting and it's got character! (Love your style) A couple notes: OYING is kinda cruel with the crossings (since it's really not a thing, you need those crossings), and I don't really get TEMPO. Either way, it's more fun to play with clues like this then to go boring! :)
Three 6 Mafia member who once said "I don't advise kids to do what I do. I'm just doing me. I just smoke a little weed and do a little drink."
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Across
1A
Three 6 Mafia member who once said "I don't advise kids to do what I do. I'm just doing me. I just smoke a little weed and do a little drink."
7A
Winds (around)
12A
Founder of the Shakers whose name is one letter away from a well-known director
13A
Tums, e.g. (or 64-Across for bugs)
16A
Imitated
17A
Sound effect made after someone says "I'mmmmmmmm eighty!", maybe (if you don't know the context you can DM me or think about it harder)
18A
Lovey (dovey, even)
20A
Made like the dumbass at my bar mitzvah who didn't know how to play Coke and Pepsi, say
22A
Comedian Hill or Homestuck character Noir
23A
Y'know what? Fuck it.
24A
___ Fabrics (store named after both of the founders' names combined)
25A
Samurai Jack's blade of choice
28A
"YEAH BABY THAT'S WHAT I'VE BEEN WAITING FOR THAT'S WHAT IT'S ALL ABOUT"
30A
Group led by the Director of National Intelligence (there's a DNI joke in here somewhere i know it)
31A
Bamboozle financially
32A
Royal residence
34A
Smarts
35A
Kvetching, perhaps
36A
File option that turns into something you should not Google if an R is added in the center
38A
What's below the bedrock in Minecraft
40A
"I got this one, Teach!"
43A
Fellow crossword solver who makes a mean Greek turkey burger, colloquially
44A
Guy who may catch you tripping
45A
Start start
48A
See 29-Down
50A
Time period of Primitive SpongeBob (not to be confused with SpongeGar, they are different and you can consult Google if you doubt me)
52A
On the big blue (or the big Red, or the big Black, or the big Yellow, or t-)
54A
Lil guy?
55A
Electronic cat toy
57A
Imitate
58A
Illustrator of "Brown Bear, Brown Bear, What Do You See?" and "Polar Bear, Polar Bear, What Do You Hear?"
59A
___ of Two Cities (___ that's set in two cities)
60A
Black ___ (rock band that's named after a music genre (that's named after a music application))
61A
What 4G has, but 5G apparently doesn't? I'm not entirely sure i only did a quick google search to get an original cluing angle for this i'm not very tech savvy
62A
Cardinal direction that goes in two ways at once!! crazyyyyy (wait what do you mean "taxes" (wait what do you mean "that's not how compasses work")
What "_ucy In The _ky With _iamonds" is about (i don't know how i never noticed this. the signs were RIGHT THERE)
Down
1D
Crossword constructor Jason "___" Crabtree
2D
Game with 112 cards in the deck (they frickin' LIED to us)
3D
https://www.youtube.com/watch?v=CxkRyZ8I4nA (oh man this song brings back so much nostalgia aaa makes me want to hug my mom (sorry this parenthetical has nothing to do with the clue, ignore me))
4D
Secured a spot in the finals, say
5D
Kobe is for accuracy, ___ is for distance
6D
Sci-fi peace corps, sort of
7D
Irene and Delevigne (hey cool that rhymes)
8D
Coming right up
9D
points at some redhead in the crowd in a picture taken from Zach Sherwin's The Crossword Show
10D
"___ Mañanitas"
11D
Joe ___ (SCP-1504)
14D
Odorless and tasteless poison
15D
D&D props that seem to be pretty much useless because nobody uses them (maybe that's just in my campaign)
19D
Mother ___-Eye (Teen Titans character)
21D
"___ is crucial / We must understand it / In the human genome / We will find your logo" (lyric from Lemon Demon - Redesign Your Logo)
22D
Indonesian province whose flag has a pentagonal coat of arms on an orange background
24D
Badass French saint
25D
Abbreviation that a reaction image often comes with
26D
Amazonian exports?
27D
Don't push it!
29D
With 48-Across, a combination of salt, vinegar, and water
32D
"Too tired to find the best Frank O'Hara poem to interpolate the word '___' into so just imagine I did." (stbrolaf tweet)
33D
VFX that my buddy JoeyVFX is really good at (as well as mashups and other music composition, just an all-around cool and talented guy)
37D
Family crest, for example
39D
Just ___ (common typo)
40D
Bo and Sunny, for two
41D
Gets around, say
42D
Insanely quick crossword solver Tyler
44D
Live (in)
46D
Adjective akin to "signed" and "delivered"
47D
Oneohtrix Point Never song about AI evolv- ah what the hell, you've had too many OPN references from me. i'll just clue it as [Identical]. run along now, young one
49D
"Hello this is ___ Ciceriega aka Lemon Demon I'm on my side account because i got locked out of my main account. can you please give me your credit card information so i can buy a new microphone and continue making music."
51D
Guyanian, for one
53D
The major leagues, for a 5-year-old
56D
If you vape it, you could be inhaling toxic metals like nickel and lead into your lungs. That's metal. In your lungs. (if you don't get the ads that this clue is referencing consider yourself lucky)