I have listened to this over and over and it's yet another reason I absolutely adore opera. Every once in a while, there's a trainwreck. It happens on the last note.
This is La donna è mobile from Rigoletto performed by Nicolai Gedda. Rough translation is that women are changeable or fickle. Ha!
The link is on parterre.com which is a queer opera zine simply dripping with opera gossip, which probably doesn't interest you if you're not an opera queen or a diva. Ah, but I have had many a wicked giggle at the expense of well-paid popular opera singers, and that in some small way salves my aching ego that I'm not having a career. Bitches!