It doesn't seem he has really some tool.
It looks more like a step-by-step for, maybe, forcing the game to play a specific music that can be recorded directly from the computer, maybe with the game running in a virtual machine since they are very old. That would explain the low quality of the recording.
Anyway the following script dumps all the referenced data in these LPPALPPA files:
get FILES long
findloc OFFSET binary "PALP"
math OFFSET + 0x2c
for i = 0 < FILES
get OFFSET long
get ID long
get SIZE long
log "" OFFSET SIZE
Don't ask me what to do with the extracted files since they are just game resources and nothing easy to use.
At least now you can extract all the data.
*edit* updated script