Probably not in the worlds best, but is there really ever a "Best" not in this category anyway. Here a a few more to consider.
http://www.youtube.com/watch?v=cR8S71RF2Vc
http://www.vevo.com/watch/sara-bareilles/gravity/USSM20804324
http://www.youtube.com/watch?v=jJOzdLwvTHA
http://www.youtube.com/watch?v=cR8S71RF2Vc
http://www.vevo.com/watch/sara-bareilles/gravity/USSM20804324
http://www.youtube.com/watch?v=jJOzdLwvTHA