If you’re quick you may catch the end of the Jerusalem Festival of Light from 15th to 22nd June; every evening between 8pm and midnight, and it’s FREE! Video below has excerpts of 2010 event.
http://igoogledisrael.com/2011/05/the-jerusalem-light-festival-2011/
http://www.youtube.com/watch?v=yPcm3ud9zG8&feature=player_embedded