Gentle's Classic Rock Midi Jukebox: Featured artists include AC-DC, Metallica, and Ozzy.
Nabster Midi Jukebox: Free MIDI downloads sorted by style.
Pattianne's Paradise Virtual Country Jukebox: Pattianne's top 25 MIDI country classics in a virtual jukebox. No coins required.
Ralph Art's Original JavaScript Jukebox: Instructions for creating a MIDI jukebox.