We need to figure out when to play which tracks. The question here is simply: Which track to play when? It seems from my studies that the game has several group of tracks to play: - City tracks when nothing is going on - City tracks when UFOs are present in the city - Battle tracks when nothing is going on - Battle tracks for action It seems that battle tracks are somehow chosen based on what kind of action is going on? More likely to play "Firefight" track when there's bullets flying and "Heavy Support" when just spotted aliens but no fire yet? Maybe there's some logic to city tracks too (like one is played at night one at day?). Maybe not. Anyways, we need someone to figure this out and have a detailed report. NOTE: I dunno the original order/names of the tracks or how to check them. so just use this playlist to number/name the tracks https://www.youtube.com/playlist?list=PLA94551885A87EFD2 or suggest where to find a proper list/numbering.