: The multitracks reveal the use of approximately 30 microphones on the drums alone to capture the natural width and space of the room.
: Albini favored natural room acoustics over artificial reverb. To capture the massive drum sound, he famously placed Dave Grohl’s kit in the studio kitchen for certain tracks like " Very Ape " and " tourette's ".
: Communities on platforms like Reddit often share collections of isolated stems derived from various sources, including early mixes and stems extracted for music games (like Rock Band or Guitar Hero ). Some fan-circulated "multitracks" are actually AI-separated stems, which have received mixed reviews due to digital artifacts.
Multitracks (or "stems") allow listeners to isolate individual elements—such as Dave Grohl’s drums or Kurt Cobain’s vocal takes—giving a surgical look at how the album was built.