Unlikely winner (and, whimsically, a sort of 24A?)
17A
Pop or Cream follower
18A
"Dreams" rapper
22A
“We in ourselves rejoice! And thence flows all that charms __ ___ or sight, All melodies the echoes of that voice, All colours a suffusion from that light.": Coleridge
24A
Bad dream!
28A
Event with bucking broncos
29A
Single year's record
31A
Spa favored by Proust
32A
Toroni or Ivey
33A
Mommy, in Montero (Bad dream!)
34A
Skinny prefix? (Bad dream!)
Down
1D
Colony member
2D
Classic four-arrow video game controllers
3D
Hook up another worm?
4D
Eastern Orthodox bishop (aptly anagramming to "PREACH")
5D
Double impression, in printing (or "Thrift Shop" rapper when "more" is added to it)
6D
Folk singer Guthrie
7D
Raise, as a child
8D
The Red Planet
9D
Steal
10D
Turn blue, perhaps
16D
"__ ___ that dawg in him"
19D
Assante or Hammer
20D
Cruel person, informally
21D
One bringing home the bacon
23D
Royal domain
24D
___ Scotia
25D
"_ ___ not have sexual relations with that woman"
26D
Swing into ___
27D
Give a(n) 9D to
28D
Acronym whose letters are aptly found (in order, not necessarily consecutively) in "DREAMS"