http://www.thecitydark.com
http://www.bullfrogfilms.com/catalog/cityd.html
PBS used to stream this free on their site for a while, but not anymore. Interviews with the filmmaker can be heard here:
http://www.npr.org/2012/07/01/156068310 ... sing-stars
http://www.thecitydark.com/blog/
Would be nice to see a public screening of this film in Singapore.