I’ve been following stories about [Roger Ebert’s new voice](http://gizmodo.com/5483870/roger-eberts-new-voice), which a company has made so that they can apparently plug it into his Mac. In his appearances on camera, the voice he’s been using is the Mac “Alex” voice. What other voices does your Mac have? Here’s a Perl one-liner to play them.
From the Terminal window, paste this in at the prompt:

perl -le'for (@ARGV){m{/(w+?).SpeechVoice};' 
-e'$_=$1;s/([a-z])([A-Z])/$1 $2/g;' 
-e'print qq{say -v "$_" This is $_};}' 
/System/Library/Speech/Voices/* | sh -x

On my Mac, “Organ” isn’t found, but I don’t know why.