for sound samples goto
bios_template.hmod\etc\libretro\system
system folder where bios go. make a fba folder or a mama2003 folder
in each of those folder make a samples folder
and put your zipped sounds samples in the samples folder that uses that core for that game
then re install bios h.mod
I was gonna mention Boognish..I thought I remembered him doing sound samples with Donkey Kong cause Mario didnt have the squeaky shoes..I can do without the squeaky shoes myself..lol..