It is rather 'mission impossible', looking at activity authors of these remixes.
E.g:
Firefox (Active period: 2006 - 2019)
Bit Arts (Active period: 2018)
Chabee (Active period: 2006 - 2017)
TDK (Active period: 2004 - 2007)

I was hoping AmigaRemix was managing these files.
However, if this is not ...

Hi
I would like to ask about possibility of using several remixes in a my video-tutorial (non-profit/no make money).
Here you can watch a fragment of what it would look like:
https://mega.nz/file/rXpkGTxC#hZB1lMWA904lnIE-By9h6wcUN8KEo3SwX1PondkWA3s

I wrote to authors of these remixes, but I don't ...