These are plugins for the BeOS MP3 player CL-Amp. They won't work with any other MP3 player like WinAmp or SoundPlay.

Dotplane Plugin

Displays a rotating 3D dotplane using OpenGL.
Download
Screenshot

LCD Spectrum Plugin

Displays the spectrum analyzer on a Matrix Orbital serial LCD display (LCD20xx, LCD40xx and VFD20xx).
Download
Download Source
Screenshot

Installation

Simply copy the plugin to the 'plugins' folder of your CL-Amp installation directory (normally /boot/apps/CL-Amp).

Requirements

BeOS R5 for x86.
CL-Amp Version 3.7 or newer.