Macjonesnz wrote this elegant MythTV code to rock an infant carrier by opening and closing the CD/DVD tray all the way back in January 2008, but it doesn't seem to have been picked up and expanded upon by the Linux community.
I think we can assume that Baby Charlotte v1.0, whose release dates is listed in the credits as November 2007, has been steadily upgraded with many useful and entertaining features. And that she now has much greater hardware requirements.
Linux Baby Rocker [youtube via boingboing]
aka; A good way to damage your computer.