Demos or music that can make use of two SID chips for stereo playback with up to six voices.

8580 signifies the MOS Technology 8580 sound chip, found in the Commodore 64 line of computers. 8580 is often referred to as the "new SID", since it was the second of two models - the 6581 preceded it in older models of the Commodore 64. More information at Wikipedia).

Airwolf is a series of shooter video games based on the TV series of the same name. The first game based on the series was released for the Sinclair ZX Spectrum by Elite Systems in 1984. The game also was released on the Commodore 64, Amstrad CPC, and Atari 8-bit family. More information on Wikipedia.