[ASM & Hex] HQ music by ipatix

Hi guys, I want to add a patch from ipatix, but I do not know how to make these changes, here's the link to the article ( https://www.pokecommunity.com/showthread.php?t=324673 )
how to change address 03005F50 ?? on 0203E000, how to compile the file etc (sorry, but I do not know English well)

ok,i find post https://www.pokecommunity.com/showthread.php?t=364849 topic can be closed

Yeah...
I probably should update that tutorial. I did a really bad job with it. But if you can get it working kudos.