Based on your query , you are likely referring to the Organya music format from the indie game Cave Story (Doukutsu Monogatari), specifically requesting a technical specification or feature set for a variant that is 22kHz sample rate with 8-bit depth .
Understanding organya22khz8bit: The Audio Engine of Retro Nostalgia
: Toby Fox famously used samples from this library in the track "It's Showtime!" (the theme for Mettaton), specifically the drum sample Soundfonts : Modern producers often access these sounds via the Cave Story Soundfont