What a wonderful feel-good video! Not sure if this has been posted here yet but, I just came across it and wanted to share. Wouldn't it be amazing if all tv stations played commercials like this for their local shelters?
I bet the little guy, Chance, is going to be one well-socialized pup!...with an aversion to ABBA perhaps 
http://www.dogwork.com/swkdq8/