I've posted some of these elsewhere:
1. Gollum singing Barry White's 'Never Gonna Give You Up':
http://www.youtube.com/watch?v=_McuC-V_JO0
2. Leonard Nimoy - 'The Ballad of Bilbo Baggins':
http://www.youtube.com/watch?v=mPh12Q7cpeE
3. Gollum singing James Blunt's 'You're Beautiful':
http://www.youtube.com/watch?v=3eHN-...eature=related
4. Aragorn and Legolas to the tune of Right Said Fred's 'I'm Too Sexy':
http://www.youtube.com/watch?v=aL7Bb...eature=related
5. Andy Serkis (as Gollum) singing 'You're The One That I Want' from 'Grease':
http://www.youtube.com/watch?v=uP2bV...eature=related