Recently played Mother 3 and I really freaking liked it bro! Got a bit of inspiration from a friend to make my own boss fight, so here you go! I only used the mommy3 soundfont to make it (and would've only used 16 tracks too, but I cheated a bit and added one extra track) in OpenMPT.
twitter (where I'm active): https://twitter.com/okayroutt
soundcloud (just reposts from here): https://soundcloud.com/routt