I believe #6 is an error of duplication from the previous one.

#19 could be The Holly and the Ivy.

ah, but the question is posed in the singular. Otherwise it would have to be "These plants" ;)

27: That song about those clangey things
28: Father Christmas is Imperative
29:Happy Holiday from the Land of Cricket
30:Infant in a Red Suit
31: Wendy's Beverage the cocaine humanoid
32: Shiny gray tintinnabulum
33: Tinkle Clapper

More funz-
1: Let Us Go Forth and give Praise upon the boy
2: Are you heeding what I hearken?
3: Exhaltations for the Planet
4: Take for oneself a cheerful miniature Yule
5: An Apartment for the Cleaver of Kernels
6: Lusterous ringers
7: Frolicking in a place of bewilderment
8: Song for the Church ringers
9: Dew, A Fellow comprised of crystalline precipitation
10: The Old Lady was Trampled by an Equine
11: Tinkling chime stone

In number 10, Grandma is being run over by a horse. Reindeer are not equines.

Horses are odd-toed ungulates. Reindeer are even-toed ungulates and more belong with pigs and giraffes.

#5 is Linus Torvald Gets Divorced and Needs a Bachelor Pad.
#6 is That Guy Outside Macy*s This Time of Year Wants to Sex You Up.
(though possibly "Lustrous" is the intended word and not "Lusterous")
#7 is Party at the American Physical Society
#8 is Hey, Stay Away from That Guy Outside Macy*s

LOL-I claim no authorship and appreciate any corrections.

The first one is Carol of the Bells.

The last two sound like embarrassing diseases.

Carol King
Carol Burnett
Carol Stream Illinois

Here's what I got: