I originally thought there might be missing tracks because some song names were removed in the first SEA trailer, but in the second one they were all intact. Right now it doesn't SEEM like there are any missing in the SEA version, but there's so little PR on that version that I can't offer 100% confirmation. At the very least, DLC is 1:1 between versions so far, which is a first for the series.
Similarly, even though it SEEMS like every version will have all languages because the Japanese exclusive PS+ demo did, that's not 100% confirmation either.