(CNN) -- It's always a struggle to whittle down our top 10 list, but this month it proved impossible. So we've taken our 10 favorite songs -- one from each of 10 movie genres. And there were still some tantrums in the office... so we've drawn up our top ten original soundtracks, too.
Our number one song? What else but Judy Garland singing "Over the Rainbow"?
Don't agree? Join the debate! Post your favorites in the Screening Room blog and we'll publish the best.
1. Wizard of Oz -- Over the rainbow
Performed by Judy Garland; written by Harold Arlen and E.Y. Harburg
Director Victor Fleming, 1939, musical
The wonderful Judy Garland lifts us way up high to a magical Technicolor land of dreams where the sun always shines, troubles melt like lemon drops and every story has a happy ending. If the movie industry had a theme tune to aspire to, this would be it.
2. Casablanca -- As Time Goes By
Performed by Dooley Wilson; written by Herman Hupfeld
Director Michael Curtiz, 1942, romance
Arguably the greatest pairing of song and movie, Dooley Wilson's dulcet tones provide the perfect backdrop for Bogart and Bergman's chemistry. A classic that'll stay with us -- for the rest of our lives. Play it again, Sam -- as Bogie famously never said.
3= Pinocchio - When you wish upon a star
Performed by Cliff Edwards; written by Ned Washington and Leigh Harline
Directors Hamilton Luske and Ben Sharpsteen, 1940, Disney
3= Beauty and the Beast -- Beauty and the Beast
Performed by Angela Lansbury; written by Alan Menken and Howard Ashman
Directors Gary Trousdale and Kirk Wise, 1991, Disney
We gave Walt his own category, and still couldn't pick between these two enchanting tunes that twinkle with Disney magic. Like charmed bookends, the former comes from Disney's second full-length animated feature, while the latter heralds the 90's renaissance of the studio. Totally captivating.
4. Armageddon -- I Don't Want to Miss a Thing
Performed by Aerosmith; written by Diane Warren
Director Michael Bay, 1998, action/adventure
Big, bad Steve Tyler gives Diane Warren's soul-searching paean a metal injection. Gloriously anguished and unashamedly obsessive, this Oscar-nominated power piece can claim to be the ultimate rock ballad.
5. Gentlemen Prefer Blondes -- Diamonds are a girl's best friend
Performed by Marilyn Monroe; written by Jule Styne and Leo Robin
Director Howard Hawks, 1953, comedy
"Tiffany's! Cartier! Black Starr! Frost Gorham!" This delightful ditty sees Marilyn at her comic best, sparkling across the screen as she gives a joyful lesson in the importance of financial independence. But then there's that troublesome tiara...
6. Easy Rider -- Born to be Wild
Performed by Steppenwolf; written by Mars Bonfire
Director Dennis Hopper, 1969, roadtrips
Peter Fonda and Dennis Hopper get their Harley motors running and head out on the highway, wind in their hair, in search of America. "Easy Rider" catapulted this track, sometimes touted as the first heavy metal record, into biker counterculture.
7. Donnie Darko -- Mad World
Performed by Gary Jules and Michael Andrews; written by Roland Orzabal
Director Richard Kelly, 2001, indie
Gary Jules's gently sinister reinterpretation of the Tears for Fears hit provided a suitably underground feel for this cult film. His haunting vocals hint at weird and wonderful happenings in the most mundane places -- like a man hopping up in a rabbit suit and warning you about the end of the world.
8. Dirty Dancing -- (I've Had) The Time of My Life
Performed by Bill Medley and Jennifer Warnes; written by Franke Previte, John DeNicola and Donald Markowitz
Director Emile Ardolino, 1987, romantic comedy
The spine-tingling finale to one of the most watched movies of all time. Will Johnny be cleared? Will Baby's father let her dance with him? And will she ever manage the lifts? Ok, it's a bit cheesy -- but nobody puts this record in a corner.
9. The Muppet Movie -- Rainbow Connection
Performed by Jim Henson; written by Paul Williams and Kenneth Ascher
Director James Frawley, 1979, children's film
Just why are there so many songs about rainbows? Kermit the Frog and his furry friends set out to conquer Hollywood, and charmed the lovers, the dreamers and us en route with this lilting, wistful song.
10. 8 Mile -- Lose Yourself
Written and performed by Eminem
Director Curtis Hanson, 2002, biopic
The soundtrack to his loosely-based biopic, Eminem's tirade of self-affirmation bulldozes a path from trailer park to Holly'hood, his fierce ambition burning through the thumping powerchord backtrack. Success? Well, it won the boy an Oscar...
And the ones we love to hate...
1. Titanic -- My Heart Will Go On
Celine Dion, 1997
And the song did, too -- on, and on, and on. The Canadian caterwauler brought tears to our eyes with her pained screeching. We nearly drowned ourselves just to stop the noise.
2. Robin Hood: Prince of Thieves -- Everything I do, I do it for you
Bryan Adams, 1991
Bryan Adams's ballad-by-numbers utterly emasculated Robin Hood, then hung around on the charts for weeks like a best-selling bad smell. Errol Flynn would never have stood for that sort of nonsense.
3. Four Weddings and a Funeral -- Love is all around
Wet, Wet, Wet, 1994
"I feel it in my fingers, I feel it in my toes..."
So started Wet, Wet, Wet's sickly rendition of the Troggs' perfectly decent tune. We felt it in our stomachs -- pass the bucket, please.
4. Ghost -- Unchained Melody
The Righteous Brothers, 1990
Not a problem with the song, per se, but the Righteous Brothers' harmonies can't help conjuring up Demi and a pile of wet clay. We never really got the whole 'sensual pottery' thing -- but there's probably a Facebook support group if you do.
5. The Bodyguard -- I Will Always Love You
Whitney Houston, 1992
What was it with the 1990's? Whitney sounds more stalker than seductress in this appalling film's excruciating wail-fest. Yes, we get the idea, move along please.
Now it's your turn. What are your top tracks -- and which are the shockers -- from the movies? Which ones have we missed? Post your comments and suggestions to the Screening Room blog and we'll publish the best.