1. A Dream is a Wish Your Heart Makes
2. A Whole New World
3. When You Wish Upon A Star
4. Reflection
5. Zip-A-Dee-Doo-Dah
6. Winnie the Pooh
7. Alice in Wonderland
8. Part of Your World
9. Beauty and the Beast
10. Supercalifragilisticexpialidocious
Funnily enough, when comparing this to my list in 2005, the selections are the same, just in a different order.
And just to give some of my other favorite songs the acknowledgement they deserve, I'll also steal Escapay's list

:
Overall Favorite Song (circa 2009): A Dream is a Wish Your Heart Makes
Overall Favorite Soundtrack (Disney Live-Action): Mary Poppins, Bedknobs and Broomsticks, and Enchanted
Overall Favorite Soundtrack (Disney Animated Classics): Alice in Wonderland, Cinderella, Aladdin
Overall Favorite Soundtrack (Other Animation, DTV, Pixar): A Goofy Movie and James and the Giant Peach (Other Animation), Pooh's Grand Adventure: The Search for Christopher Robin (DTV), Monsters, Inc. (Pixar).
Favorite Opening/Main Title Song: When You Wish Upon a Star, Alice in Wonderland, The Second Star to the Right
Favorite Instrumental Score (Entire Film - Disney Live-Action): Alice in Wonderland, The Chronicles of Narnia: The Lion, the Witch, and the Wardrobe, Enchanted
Favorite Instrumental Score (Entire Film - Disney Animated Classics): The Hunchback of Notre Dame, Alice in Wonderland, Cinderella
Favorite Movie Score (Specific Moments):
1. Sanctuary!
2. Cinderella receives her ballgown
3. The chase through Wonderland (animated Alice)
4. Phillip vs. Maleficent
5. The opening credits of Monsters, Inc.
5. The White Army marches to battle (live-action Alice)
6. Hercules and Meg in the garden
7. Andy's toys come to life
8. Aslan arrives to stop the White Witch/to save Lucy in the woods (both Narnia movies use this same piece for these two sequences)
10. Belle enters the West Wing
Favorite Hero Song: Out There, One Jump Ahead, Go the Distance
Favorite Heroine Song: A Dream is a Wish Your Heart Makes, Reflection, Part of Your World
Favorite Torch Song: I Wonder, I'm Wishing, Candle on the Water
Favorite Villain Song: Poor Unfortunate Souls, Goodbye So Soon, Friends on the Other Side
Favorite Love Song: A Whole New World, Beauty and the Beast, So This is Love
Favorite Parent Song: You'll Be In My Heart, The Age of Not Believing, For Now For Always
Favorite Secondary Character Song: Under the Sea, Friend Like Me, The Unibrthday Song
Favorite Showstopping Dance Song: Step in Time, Portobello Road, That's How You Know
Favorite Reprise: A Dream is a Wish Your Heart Makes (all of them), One Jump Ahead, Part of Your World
Favorite Unused Song: Someday and As Long as There's a Moon from The Hunchback of Notre Dame, Beyond the Laughing Sky from Alice in Wonderland
Favorite Pop Version of a Disney Song: A Dream is a Wish Your Heart Makes by Daniel Bedingfield, Beauty and the Beast by Celine Dion and Peabo Bryson, Alice in Wonderland by Camarata Chorus (I'm assuming by pop you mean a cover version, period)