I don't believe that he is playing atm but my friend is running a justin tv stream of his reach gameplay (with sound). Here is the link so that you can watch it when he is back streaming again.
http://www.justin.tv/gatoradero/b/268929473?&show_facebook_status=true
http://www.justin.tv/gatoradero/b/268929473?&show_facebook_status=true