(There's no video for WhiteCap 4.0 yet. Please contribute to MR and add a video now!)
White Cap is a stand-alone audio visualizer for PowerPC architecture. This 4.0 version is probably the last version for Mac OS 9.
WhiteCap4.0.sit_.bin (234 KiB / 239.62 KB)
White Cap v4.0 / Binary encoded, use Stuffit Expander
Mac OS 8.x - Mac OS 9.2.2 and Mac OS X
Emulating this? It should run fine under: SheepShaver