A port of Departure from Megaman Zero 2, with (mostly) Megaman X2 samples. Could fit with intro stages, final stages, or any action-packed stage. Since this song plays in a desert, it could be used for desert or ruins levels as well. This is also my first port.
The arrangement is good, but it is too loud in game. Lower the global volume with the w command to fix this, and test in game. The background music shouldn't overpower the sound effects.
However, the actual reason this is being rejected is because the optimization can be done better. It looks like you have some knowledge on how it works, but I've spotted some notable parts in your port that appear to be overlooked. In channel 2 (#1) there's this:
I colored coded the MML like this to show you that these can be further optimized into their own label loops to shrink down the insert size. I've also spotted some very similar sequences of notes in channel 4 (#3), but it's part of a huge label loop. It can be optimized similarly to the one above.
One other thing that can be optimized are the rests. This was one Line 229: