[spoilers] Mario Kart 8 Deluxe: Booster Course Pass Mega Music Leak › (Extended)

Dataminers found files with internal names like STRM_BGM_GCN_WALUIGI_STADIUM_32K , which directly mapped to known series tracks.

The refers to a major security slip where Nintendo accidentally included music prefetch files for unreleased tracks in the Version 2.1.0 update. While the tracks themselves weren't playable at the time, these audio snippets allowed dataminers to identify exactly which retro courses were coming in future waves. 🎵 Key Leaks from the Audio Files

The leak occurred through , which are very short (roughly 1-second) snippets used to prevent audio lag when a race starts.