Most veteran 'Thingies' [As all old-school MT readers like to describe thrmselves] will have fond memories of Gareth's Giant Cave Organ story. Now, as a sort of extra-deep-geek postscript, we offer the crazy stalactite music generator thingy. BoingBoing found it, but for those of you that like to baffle themselves with deep technical detail all the technical science-type stuff is over here