WMRack is a combined CD-Player and Mixer Applet which fits in 48x48 pixels. It is designed for the WindowMaker dock, but works fine with other window managers, and can be swallowed by most wharfs/buttonbars/panels.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.