The whole of the Build Fighters soundtrack is amazing, it fits every scene perfectly. Gundam in general has great scores. But this one has more of a world music feel to it, since it features combatants from all over the world.
Who's the best asymmetrical Gundam? Yes you are, yes you are!
First season has so many tasty fights set to them too. Especially the fight between the Fenice Gundam (pictured in the video/song) and the protag. It might even be the best mecha fight scene I've ever beheld.
It's one of those fights. You know the type. Where the two parties beat each other up so bad limbs fly off and they're more a mess of holes and tears than a mecha. They even decapitate each other AND KEEP GOING, fighting until they both collapse and come to rest against each other. And they're both like,
And it ends in a draw.