Sadly, all (22khz 8bit mono IFF sample) music streamed from the media where you started the game. DF0 is not fast enough (and free space) to stream iff samples directly from disk, so did not put it on disk, and if the program did not find the menu music file then it is disabled, You can replace with any sample if You want.
I put a menu disk with a part of the music file in the zip. You can see/hear how slow DF0.
If anyone can help me how to do loading and processing at the same time (in AMOS), it will be flluid and I will be so happy ...till then You will hear only thunderstorm from ADF.