Tip: If you make a change to your ROM that you regret, just go to File > Restore > Restore ROM to Previous State in the menu. From there, you can select a restore point and revert your ROM to a previous state.
Bravely Default 2 - Asterisk Battle 2 - Battle With Those Who Should Confront
I would prefer custom samples, with a main focus on the horns and electric guitar if possible. Energy Breaker ported by DanTheVP's samples ring in my head for drums/guitar as a possible solution, but I am open to interpretation.
The portion I care about is from 0:49 to the end. If the intro was done as a separate loop, that would just be an added bonus at this point, but not necessary.
Note Data Reference
All references provided here, including midi, sheet music, and other things that may or may not help with porting.