Let's see...
~Legolas gets to sing "I Feel Pretty"
~Eowyn gets to sing "I Am Woman"
~The Hobbits all rejoice with "It's A Small World" and break into "Zip-A-Dee-Do-Dah" as they make their way into The Old Forest.
Actually...
www.tolkientrail.com has a LOTR musical... check it out!