typelibrarian http://sandbox.freebase.com/view/user/typelibrarian Freebase Atom Feed Generator http://sandbox.freebase.com/view/opera/opera Freebase: Discussion about Opera 2008-10-12T11:15:03Z carmenmfenn1 http://sandbox.freebase.com/view/user/carmenmfenn1 Thank you for the cooperation in creating the much needed "premiere production" property. The "date of first production" property should be kept too, as there are cases when it is necessary.  http://sandbox.freebase.com/view/guid/9202a8c04000641f80000000091e6d6f Thank you for the cooperation in creating the much needed "premiere production" property.... La rondine by Giacomo Puccini - Third version completed by Lorenzo Ferrero: Split 2008-09-29T18:01:30.0012Z