Neoclassic is the song from Jill of the Jungle series.
The title comes from the file name, but Dan Froelich explained that the file names were in fact the proper full titles.
Jill of the Jungle: Jill Saves The Prince (DOS)
In the third game of the series Neoclassic plays during level selection (map hub) but also plays at the ending sequence after the prince is rescued from his prison cell (level 15).
The file in the game folder is named NEOCLASS.DDT.
Onesimus: A Quest For Freedom (DOS)
The file in the game folder is named SONG11.ARK