You can never tell in this world.No, no.Some people just buy it for the sake of itYou're in quite a merry mood.That's because I can sing in so many different voices!Yeah, thanks!Congratulations.If you count the original, that's seven!Append!*spin** In regards to home security officer, refer to "The AHS Vocaloids arrived".
That was the strip where Gakupo explained to the trial versions of the AHS Vocaloids that the master that installed them is no good with music, so they won't be doing any singing (so they'd be more useful as guards). Since only people who want you to sing would buy an expansion, you wouldn't become a home security officer.