Which is this opera aria?

I think I heard it sung either by a lyric coloratura or a particularly agile soubrette. Anyway, the basic tune of this aria which my friend very graciously recorded (don't knock his horrific voice :P ) is a href="http://www.fileul.com/view.php?file=I6LUCCa" rel="nofollow"http://www.fileul.com/view.php?file=I6LU…/a