PS: In the long run, we should care to get any information out of the song's PAK, and any other information that there is, at least as long as it is related to gameplay. There seem to be some data-chunks about each song in pak/pak/qb.pak.ps2, in pak/pak/qb.pab.ps2, and especially in pak/pak/dbg.pak...

So the reason that the songs work with the constant tempo is that the integers in the qb file are simply millisecond offsets from the start of the song. Thus, they will time really well with the music of a 125bpm song with 480 ticks per quarter note (125bpm * 480 ticks/beat = 60000 ticks per minute ...

i'm not sure if someone already said it but look at number of the beast: http://www.youtube.com/watch?v=e39D8VBQ4sw at about 1:04 in the video, you can see dramatic bpm changes, i've seen little ones but this one IS noticeable by far, haha I haven't spent much time on this, but I think they just co...