Pony- I'll be Home for Christmas
Johnny- It's Beginning to Look A lot Like Christmas
Soda- I Saw Mommy Kissing Santa
Steve- Baby it's Cold Outside
Dally- Santa Baby
Two Bit- I Want a Hippopotamus 
Darry- We Need a Little Christmas

My friend had this conspiracy theory about baby it's cold outside and when you watch the video and listen to the words, I realized she had a point.