Here's a list of songs that I have come up with - there in no special order, just how they popped into my head.
1. From
The Lion King "I Just can't wait to be King" - Aragorn and Elrond
2. From
Beauty and the Beast "It's my ring" (tune of Be Our Guest) - Sauron, Smeagol, Bilbo and Frodo
3. From
Titanic "My Heart Will Go On" - Arwen (Aragorn?)
4. From
Aladdin "Imrahil" (tune of Prince Ali)
5. From
Once Upon a Mattress (the musical I am in right now) "We have an opening for a new king"
6. From
The Lion King (Broadway - not movie) "Be Prepared" - Sauron & random orcs
7. From
Once Upon a Mattress "Holes of Home" - Frodo & Sam
8. From
Aida "Not Me" (about a love triangle) - Eowyn, Aragorn, Arwen
9. From
Moulin Rouge "Healing Love Melody" - Eowyn & Faramir
10. From
Aladdin "A Whole New World" - Legolas & Gimli
11. "It's a Small World" - The Hobbits
12. "We are the Champions" - People of M-E
13. The Barney Song - Frodo & Sam
14. From
Ricki Martin "She Fights" - About Eowyn by Faramir
15. From
The Sound of Music "So long, farewell" - Elves of Rivendell
16. From
Pirates of the Caribbean "Drink up me Hearties" - Merry & Pippin
17. The song Physical - Legolas's Work-Out Video
18. From
Gilligan's Island "The Balad of Middle Earth"
I still need more though!!! Saruman has nothing to sing!!!