If you want to skip all the details you can just cut to the chase.
Here are the ASCAP most popular Christmas songs:
1) The Christmas Song (Chestnuts Roasting on an Open Fire)
Written by: Mel Tormé, Robert Wells
Performed by: Nat "King" Cole
Lyrics: http://allchristmaslyrics.com/the-christmas-song-lyrics.htm
2) Have Yourself A Merry Little Christmas
Written by: Ralph Blane, Hugh Martin
Performed by: The Pretenders
Lyrics: http://allchristmaslyrics.com/have-yourself-a-merry-little-christmas-lyrics.htm
3) Winter Wonderland
Written by: Felix Bernard, Richard B. Smith
Performed by: Eurythmics
Lyrics: http://allchristmaslyrics.com/winter-wonderland-lyrics.htm
4) Santa Claus Is Coming To Town
Written by: Fred Coots, Haven Gillespie
Performed by: Bruce Springsteen
Lyrics: http://allchristmaslyrics.com/santa-claus-is-coming-to-town-lyrics.htm
5) White Christmas
Written by: Irving Berlin
Performed by: Bing Crosby
Lyrics: http://allchristmaslyrics.com/white-christmas-lyrics.htm
6) Let It Snow! Let It Snow! Let It Snow!
Written by: Sammy Cahn, Jule Styne
Performed by: Andy Williams
Lyrics: http://allchristmaslyrics.com/let-it-snow-lyrics.htm
7) Jingle Bell Rock
Written by: Joseph Carleton Beal, James Ross Boothe
Performed by: Bobby Helms
Lyrics: http://allchristmaslyrics.com/jingle-bell-rock-lyrics.htm
8 ) Little Drummer Boy
Written by: Katherine K. Davis, Henry V. Onorati, Harry Simeone
Performed by: The Harry Simeone Chorale & Orchestra
Lyrics: http://allchristmaslyrics.com/little-drummer-boy-lyrics.htm
9) Sleigh Ride
Written by: Leroy Anderson, Mitchell Parish
Performed by: The Ronettes
Lyrics: http://allchristmaslyrics.com/sleigh-ride-lyrics.htm
10) Rudolph The Red Nosed Reindeer
Written by: Johnny Marks
Performed by: Gene Autry
Lyrics: http://allchristmaslyrics.com/rudolph-the-red-nosed-reindeer-lyrics.htm
11) It's The Most Wonderful Time Of The Year
Written by: Edward Pola, George Wyle
Performed by: Andy Williams
Lyrics: http://allchristmaslyrics.com/it's-the-most-wonderful-time-of-the-year-lyrics.htm
12) I'll Be Home For Christmas
Written by: Walter Kent, Kim Gannon, Buck Ram
Performed by: Vanessa Williams
Lyrics: http://allchristmaslyrics.com/i'll-be-home-for-christmas-lyrics.htm
13) Silver Bells
Written by: Jay Livingston, Ray Evans
Performed by: Kenny G
Lyrics: http://allchristmaslyrics.com/silver-bells-lyrics.htm
14) Rockin' Around The Christmas Tree
Written by: Johnny Marks
Performed by: Brenda Lee
Lyrics: http://allchristmaslyrics.com/rocking-around-the-christmas-tree-lyrics.htm
15) Feliz Navidad
Written by: José Feliciano
Performed by: José Feliciano
Lyrics: http://allchristmaslyrics.com/feliz-navidad-lyrics.htm
16) Blue Christmas
Written by: Billy Hayes, Jay W. Johnson
Performed by: Elvis Presley
Lyrics: http://allchristmaslyrics.com/blue-christmas-lyrics.htm
17) Frosty The Snowman
Written by: Steve Nelson, Walter E. Rollins
Performed by: The Ronettes
Lyrics: http://allchristmaslyrics.com/frosty-the-snowman-lyrics.htm
18) A Holly Jolly Christmas
Written by: Johnny Marks
Performed by: Burl Ives
Lyrics: http://allchristmaslyrics.com/holly-jolly-christmas-lyrics.htm
19) It's Beginning To Look A Lot Like Christmas
Written by: Meredith Willson
Performed by: Johnny Mathis
Lyrics: http://allchristmaslyrics.com/it's-beginning-to-look-a-lot-like-christmas-lyrics.htm
20) I Saw Mommy Kissing Santa Claus
Written by: Tommie Connor (PRS)
Performed by: John Mellencamp
Lyrics: http://allchristmaslyrics.com/i-saw-mommy-kissing-santa-claus-lyrics.htm
21) Here Comes Santa Claus (Right Down Santa Claus Lane)
Written by: Gene Autry, Oakley Haldeman
Performed by: Elvis Presley
Lyrics: http://allchristmaslyrics.com/here-comes-santa-claus-lyrics.htm
22) Carol Of The Bells
Written by: Peter J. Wilhousky, Mykola Leontovich
Performed by: John Tesh and the Christmas Symphony Orchestra
Lyrics: http://allchristmaslyrics.com/carol-of-the-bells-lyrics.htm
23) Do They Know It's Christmas? (Feed the World)
Written by: Midge Ure (PRS), Bob Geldof (PRS)
Performed by: Band Aid
Lyrics: http://allchristmaslyrics.com/do-they-know-it's-christmas-lyrics.htm
24) (There's No Place Like) Home For The Holidays
Written by: Bob Allen, Al Stillman
Performed by: The Carpenters
Lyrics: http://allchristmaslyrics.com/home-for-the-holidays-lyrics.htm
25) Santa Baby
Written by: Joan Ellen Javits, Philip Springer, Tony Springer
Performed by: Madonna
Lyrics: http://allchristmaslyrics.com/santa-baby-lyrics.htm
Analysis of the songs' content
1) The Christmas Song (Chestnuts Roasting on an Open Fire)
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 1 (kids focused on materialism)
pagan/mythical/fictional beings: 2 (Jack Frost, Santa)
pagan celebrations/activities: 1 (Yule)
falsehood: 1 (flying reindeer)
2) Have Yourself A Merry Little Christmas
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 1 (the Fates)
pagan celebrations/activities: 1 (Yule)
3) Winter Wonderland
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 0
pagan celebrations/activities: 0.5 (bells were used to scare away evil spirits)
4) Santa Claus Is Coming To Town
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 1 (focus is toys)
pagan/mythical/fictional beings: 1 (Santa)
pagan celebrations/activities: 1 (Christmas tree)
5) White Christmas
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 0.5 (children listen for sleigh bells… on Santa’s sleigh?)
pagan celebrations/activities: 0.5 (bells were used to scare away evil spirits)
6) Let It Snow! Let It Snow! Let It Snow!
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0.5 (kissing between apparently unmarried individuals)
pagan/mythical/fictional beings: 0
pagan celebrations/activities: 0
7) Jingle Bell Rock
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 0
pagan celebrations/activities: 0.5 (bells were used to scare away evil spirits)
8 ) Little Drummer Boy
Mentions of-
Jesus/God/Nativity: 0.5 (reference to “the king”)
materialism or immorality: 0
pagan/mythical/fictional beings: 0
pagan celebrations/activities: 0
9) Sleigh Ride
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 0
pagan celebrations/activities: 0.5 (bells were used to scare away evil spirits)
10) Rudolph The Red Nosed Reindeer
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 2 (Rudolph, Santa)
pagan celebrations: 0
11) It's The Most Wonderful Time Of The Year
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 0
pagan celebrations: 1 (scary stories told around winter solstice)
12) I'll Be Home For Christmas
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 0
pagan celebrations: 2 (use of mistletoe, presents on a tree)
13) Silver Bells
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 1 (shopping for treasures instead of treasure in heaven)
pagan/mythical/fictional beings: 0
pagan celebrations: 0.5 (bells were used to scare away evil spirits)
14) Rockin' Around The Christmas Tree
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 1 (shopping/treasures)
pagan/mythical/fictional beings: 0
pagan celebrations: 2 (mistletoe, decking the halls with boughs of holly)
15) Feliz Navidad
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 0
pagan celebrations/activities: 0
16) Blue Christmas
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 0
pagan celebrations/activities: 1 (Christmas tree)
17) Frosty The Snowman
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 1 (Frosty)
pagan celebrations/activities: 1 (magic)
18) A Holly Jolly Christmas
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0.5 (mistletoe kissing usually associated with unmarried individuals)
pagan/mythical/fictional beings: 0
pagan celebrations/activities: 1 (mistletoe)
19) It's Beginning To Look A Lot Like Christmas
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 1 (kids’ focus on toys)
pagan/mythical/fictional beings: 0
pagan celebrations/activities: 1.5 (holly, bells were used to scare away evil spirits)
20) I Saw Mommy Kissing Santa Claus
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0.5 (suggested immorality: mommy kissing someone other than daddy)
pagan/mythical/fictional beings: 2 (Santa, Santa’s reindeer)
pagan celebrations/activities: 1 (mistletoe)
21) Here Comes Santa Claus (Right Down Santa Claus Lane)
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 1 (do good because then you will get stuff)
pagan/mythical/fictional beings: 1 (Santa)
pagan celebrations/activities: 0.5 (bells were used to scare away evil spirits)
22) Carol Of The Bells
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 0
pagan celebrations/activities: 0.5 (bells were used to scare away evil spirits)
23) Do They Know It's Christmas? (Feed the World)
Mentions of-
Jesus/God/Nativity: 1
materialism or immorality: 1 (thank God others are doomed instead of you?)
pagan/mythical/fictional beings: 0
pagan celebrations/activities: 0
24) (There's No Place Like) Home For The Holidays
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 0
pagan/mythical/fictional beings: 0
pagan celebrations/activities: 0
25) Santa Baby
Mentions of-
Jesus/God/Nativity: 0
materialism or immorality: 7 instances of materialism, 1 instance of immorality (suggesting unmarried kissing is OK), 1- the tone of the singer is sexually suggestive
pagan/mythical/fictional beings: 1 (Santa)
pagan celebrations/activities: 1 (Christmas tree)
falsehood: 1 (Santa coming down chimneys)
Net result out of the 25 most popular Christmas songs:
Mentions of- Jesus/God/Nativity: 1.5 (6%)
materialism or immorality: 18 (72%) pagan/mythical/fictional beings: 11.5 (46%) pagan celebrations/activities: 17.5 (70%) falsehood: 2 (8%)
You tell me... what does this say about how the world views Christmas?