I wrote Looching to learn how to program the Motorola 56K DSP chip that came with NeXT machines using the NeXT MusicKit. After posting the resulting application to a few "ftp sites" (no www back then!), I was amazed at the distribution it received. Since then, I've returned to the basic idea (slowly evolving ambient sound generator) to try out new programming ideas, etc. The Looch was also a really terrific canine.

This is from the original README file that accompanied the software:
Apparently Looching still lives on as part of the MusicKit V5.5.2 distribution. Here is the source for Looching2.0 for people who want to see such things: