Aleksi Eeben has made a program for the Commodore 64 that can emulate the sound of the Commodore VIC-20. The player can be used to play all the VIC-20 music, and 35 examples from 4-mat, Britelite, Viznut, Mermaid and Aleksi Eeben are included.
Download: victorian-era-vic-20-sound-chip-emulator.zip
Website: CSDb