I just heard a song by Melissa Etheridge and Salman Ahmad that, in my opinion, is pretty uplifting. It is called "Ring the Bells of Peace". One can hear it here:
http://www.youtube.com/watch?v=OJCsNrZzC78
These two singer/songwriters along w/ Deepak Chopra are asking people to ring a bell for peace on 12/21/2008 noontime.
http://www.ringthebellsofpeace.com/