ROM Hack Is it possible yet to replace the music in a 3DS game via a rom hack?

[GoldenSun3DS]

Pretty much the only thing keeping me from ever even trying Yoshi's New Island is its awful, awful music.
If there was a way to replace all the music in that game with Yoshi's Island music (GBA version), that would be awesome.

Also, what does it take to be able to dump your own 3DS ROMs in a playable format? I haven't played anything on 3DS since mine broke a few years ago.

 

[YugamiSekai]

Yeah. You just have to create your own BCSTM.

 

[The Catboy]

I have a better replacement for Yoshi's New Island.
Find the CIA for Yoshi's Island on the GBA.
Install that CIA
Enjoy a real Yoshi's Island instead of insulting yourself with Yoshi's Shit Island.

I am still very bitter that Yoshi's New island was shit