Okay here;s how it goes-
for the playlist.txt files (within the mods\HOGname folder), make it so it also supports midis/hmps (NOT just .oggs) so I don't have to put a modified descent.sng file within the data folder. For example: the Lost Levels by DarkFlameWolf has 24 in-game hmps/midis.
so within the playlist.txt it'll have like:
and so on.
(I know I already posted this but this is a better idea than before)